diff --git a/techstack.md b/techstack.md
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--- /dev/null
+++ b/techstack.md
@@ -0,0 +1,148 @@
+<!--
+&lt;--- Readme.md Snippet without images Start ---&gt;
+## Tech Stack
+minhnguyen311/javascript-algorithms is built on the following main stack:
+
+- [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
+- [Babel](http://babeljs.io/) – JavaScript Compilers
+- [ESLint](http://eslint.org/) – Code Review
+- [GitHub Actions](https://github.com/features/actions) – Continuous Integration
+- [Jest](http://facebook.github.io/jest/) – Javascript Testing Framework
+- [Shell](https://en.wikipedia.org/wiki/Shell_script) – Shells
+
+Full tech stack [here](/techstack.md)
+
+&lt;--- Readme.md Snippet without images End ---&gt;
+
+&lt;--- Readme.md Snippet with images Start ---&gt;
+## Tech Stack
+minhnguyen311/javascript-algorithms is built on the following main stack:
+
+- <img width='25' height='25' src='https://img.stackshare.io/service/1209/javascript.jpeg' alt='JavaScript'/> [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
+- <img width='25' height='25' src='https://img.stackshare.io/service/2739/-1wfGjNw.png' alt='Babel'/> [Babel](http://babeljs.io/) – JavaScript Compilers
+- <img width='25' height='25' src='https://img.stackshare.io/service/3337/Q4L7Jncy.jpg' alt='ESLint'/> [ESLint](http://eslint.org/) – Code Review
+- <img width='25' height='25' src='https://img.stackshare.io/service/11563/actions.png' alt='GitHub Actions'/> [GitHub Actions](https://github.com/features/actions) – Continuous Integration
+- <img width='25' height='25' src='https://img.stackshare.io/service/830/jest.png' alt='Jest'/> [Jest](http://facebook.github.io/jest/) – Javascript Testing Framework
+- <img width='25' height='25' src='https://img.stackshare.io/service/4631/default_c2062d40130562bdc836c13dbca02d318205a962.png' alt='Shell'/> [Shell](https://en.wikipedia.org/wiki/Shell_script) – Shells
+
+Full tech stack [here](/techstack.md)
+
+&lt;--- Readme.md Snippet with images End ---&gt;
+-->
+<div align="center">
+
+# Tech Stack File
+![](https://img.stackshare.io/repo.svg "repo") [minhnguyen311/javascript-algorithms](https://github.com/minhnguyen311/javascript-algorithms)![](https://img.stackshare.io/public_badge.svg "public")
+<br/><br/>
+|18<br/>Tools used|06/07/24 <br/>Report generated|
+|------|------|
+</div>
+
+## <img src='https://img.stackshare.io/languages.svg'/> Languages (1)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1209/javascript.jpeg' alt='JavaScript'>
+  <br>
+  <sub><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript">JavaScript</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+</tr>
+</table>
+
+## <img src='https://img.stackshare.io/devops.svg'/> DevOps (6)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/2739/-1wfGjNw.png' alt='Babel'>
+  <br>
+  <sub><a href="http://babeljs.io/">Babel</a></sub>
+  <br>
+  <sub>v7.21.4</sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/3337/Q4L7Jncy.jpg' alt='ESLint'>
+  <br>
+  <sub><a href="http://eslint.org/">ESLint</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1046/git.png' alt='Git'>
+  <br>
+  <sub><a href="http://git-scm.com/">Git</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/11563/actions.png' alt='GitHub Actions'>
+  <br>
+  <sub><a href="https://github.com/features/actions">GitHub Actions</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/830/jest.png' alt='Jest'>
+  <br>
+  <sub><a href="http://facebook.github.io/jest/">Jest</a></sub>
+  <br>
+  <sub>v29.4.1</sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/1120/lejvzrnlpb308aftn31u.png' alt='npm'>
+  <br>
+  <sub><a href="https://www.npmjs.com/">npm</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+</tr>
+</table>
+
+## Other (2)
+<table><tr>
+  <td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/4631/default_c2062d40130562bdc836c13dbca02d318205a962.png' alt='Shell'>
+  <br>
+  <sub><a href="https://en.wikipedia.org/wiki/Shell_script">Shell</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+<td align='center'>
+  <img width='36' height='36' src='https://img.stackshare.io/service/9527/5502029.jpeg' alt='husky'>
+  <br>
+  <sub><a href="https://github.com/typicode/husky">husky</a></sub>
+  <br>
+  <sub></sub>
+</td>
+
+</tr>
+</table>
+
+
+## <img src='https://img.stackshare.io/group.svg' /> Open source packages (9)</h2>
+
+## <img width='24' height='24' src='https://img.stackshare.io/service/1120/lejvzrnlpb308aftn31u.png'/> npm (9)
+
+|NAME|VERSION|LAST UPDATED|LAST UPDATED BY|LICENSE|VULNERABILITIES|
+|:------|:------|:------|:------|:------|:------|
+|[@babel/cli](https://www.npmjs.com/@babel/cli)|v7.20.7|01/30/23|Oleksii Trekhleb |MIT|N/A|
+|[@babel/preset-env](https://www.npmjs.com/@babel/preset-env)|v7.20.2|01/30/23|Oleksii Trekhleb |MIT|N/A|
+|[@types/jest](https://www.npmjs.com/@types/jest)|v29.4.0|04/10/23|Oleksii Trekhleb |MIT|N/A|
+|[eslint-config-airbnb](https://www.npmjs.com/eslint-config-airbnb)|v19.0.4|01/30/23|Oleksii Trekhleb |MIT|N/A|
+|[eslint-plugin-import](https://www.npmjs.com/eslint-plugin-import)|v2.27.5|01/30/23|Oleksii Trekhleb |MIT|N/A|
+|[eslint-plugin-jest](https://www.npmjs.com/eslint-plugin-jest)|v27.2.1|04/10/23|Oleksii Trekhleb |MIT|N/A|
+|[eslint-plugin-jsx-a11y](https://www.npmjs.com/eslint-plugin-jsx-a11y)|v6.7.1|01/30/23|Oleksii Trekhleb |MIT|N/A|
+|[husky](https://www.npmjs.com/husky)|v8.0.3|01/30/23|Oleksii Trekhleb |MIT|N/A|
+|[pngjs](https://www.npmjs.com/pngjs)|v7.0.0|04/10/23|Oleksii Trekhleb |MIT|N/A|
+
+<br/>
+<div align='center'>
+
+Generated via [Stack File](https://github.com/marketplace/stack-file)
diff --git a/techstack.yml b/techstack.yml
new file mode 100644
index 0000000000..8eb3652eeb
--- /dev/null
+++ b/techstack.yml
@@ -0,0 +1,242 @@
+repo_name: minhnguyen311/javascript-algorithms
+report_id: 6705e21e158a31da987f28a946c69c4d
+version: 0.1
+repo_type: Public
+timestamp: '2024-06-07T13:23:23+00:00'
+requested_by: trekhleb
+provider: github
+branch: master
+detected_tools_count: 18
+tools:
+- name: JavaScript
+  description: Lightweight, interpreted, object-oriented language with first-class
+    functions
+  website_url: https://developer.mozilla.org/en-US/docs/Web/JavaScript
+  open_source: true
+  hosted_saas: false
+  category: Languages & Frameworks
+  sub_category: Languages
+  image_url: https://img.stackshare.io/service/1209/javascript.jpeg
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms
+  detection_source: Repo Metadata
+- name: Babel
+  description: Use next generation JavaScript, today.
+  website_url: http://babeljs.io/
+  version: 7.21.4
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: JavaScript Compilers
+  image_url: https://img.stackshare.io/service/2739/-1wfGjNw.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: ".babelrc"
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2019-03-08 14:38:54.000000000 Z
+- name: ESLint
+  description: The fully pluggable JavaScript code quality tool
+  website_url: http://eslint.org/
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: Code Review
+  image_url: https://img.stackshare.io/service/3337/Q4L7Jncy.jpg
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/.eslintrc
+  detection_source: ".eslintrc"
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2018-03-27 10:03:44.000000000 Z
+- name: Git
+  description: Fast, scalable, distributed revision control system
+  website_url: http://git-scm.com/
+  open_source: true
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: Version Control System
+  image_url: https://img.stackshare.io/service/1046/git.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms
+  detection_source: Repo Metadata
+- name: GitHub Actions
+  description: Automate your workflow from idea to production
+  website_url: https://github.com/features/actions
+  open_source: false
+  hosted_saas: true
+  category: Build, Test, Deploy
+  sub_category: Continuous Integration
+  image_url: https://img.stackshare.io/service/11563/actions.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/.github/workflows/CI.yml
+  detection_source: ".github/workflows/CI.yml"
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2020-12-28 08:16:33.000000000 Z
+- name: Jest
+  description: Painless JavaScript Unit Testing
+  website_url: http://facebook.github.io/jest/
+  version: 29.4.1
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: Javascript Testing Framework
+  image_url: https://img.stackshare.io/service/830/jest.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2018-03-25 20:28:32.000000000 Z
+- name: npm
+  description: The package manager for JavaScript.
+  website_url: https://www.npmjs.com/
+  open_source: false
+  hosted_saas: false
+  category: Build, Test, Deploy
+  sub_category: Front End Package Manager
+  image_url: https://img.stackshare.io/service/1120/lejvzrnlpb308aftn31u.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2018-03-25 20:28:32.000000000 Z
+- name: Shell
+  description: A shell is a text-based terminal, used for manipulating programs and
+    files. Shell scripts typically manage program execution.
+  website_url: https://en.wikipedia.org/wiki/Shell_script
+  open_source: false
+  hosted_saas: false
+  category: Languages & Frameworks
+  sub_category: Languages
+  image_url: https://img.stackshare.io/service/4631/default_c2062d40130562bdc836c13dbca02d318205a962.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms
+  detection_source: Repo Metadata
+- name: husky
+  website_url: https://github.com/typicode/husky
+  open_source: false
+  hosted_saas: false
+  image_url: https://img.stackshare.io/service/9527/5502029.jpeg
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-01-30 07:19:38.000000000 Z
+- name: "@babel/cli"
+  description: Babel command line
+  package_url: https://www.npmjs.com/@babel/cli
+  version: 7.20.7
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/15848/default_b71c906aeda030a5e2f1fe40bf12a93be52404ab.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-01-30 07:19:38.000000000 Z
+- name: "@babel/preset-env"
+  description: A Babel preset for each environment
+  package_url: https://www.npmjs.com/@babel/preset-env
+  version: 7.20.2
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/15819/default_98aa227f51aa9d787815ec3fd98d0ab2bfebbb91.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-01-30 07:19:38.000000000 Z
+- name: "@types/jest"
+  description: TypeScript definitions for Jest
+  package_url: https://www.npmjs.com/@types/jest
+  version: 29.4.0
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/15840/default_004658cda9b38934f2871435e9dc15608c86e8be.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-04-10 16:31:06.000000000 Z
+- name: eslint-config-airbnb
+  description: Airbnb's ESLint config, following our styleguide
+  package_url: https://www.npmjs.com/eslint-config-airbnb
+  version: 19.0.4
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/15857/default_7c39a83d4acd952df89b1ebfdb94c8646324fbf1.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-01-30 07:19:38.000000000 Z
+- name: eslint-plugin-import
+  description: Import with sanity
+  package_url: https://www.npmjs.com/eslint-plugin-import
+  version: 2.27.5
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/15806/default_98aa227f51aa9d787815ec3fd98d0ab2bfebbb91.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-01-30 07:19:38.000000000 Z
+- name: eslint-plugin-jest
+  description: Eslint rules for Jest
+  package_url: https://www.npmjs.com/eslint-plugin-jest
+  version: 27.2.1
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/15996/default_7a88bebb451873cc63bd99007de5bd3bb8ef85de.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-04-10 16:31:06.000000000 Z
+- name: eslint-plugin-jsx-a11y
+  description: Static AST checker for accessibility rules on JSX elements
+  package_url: https://www.npmjs.com/eslint-plugin-jsx-a11y
+  version: 6.7.1
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/15845/default_6743ba96cf149a3c3c68a185199f9705d6eff80e.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-01-30 07:19:38.000000000 Z
+- name: husky
+  description: Prevents bad commit or push
+  package_url: https://www.npmjs.com/husky
+  version: 8.0.3
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/15831/default_14fd11531839d935f920b6d55bd6f3528c890ad7.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-01-30 07:19:38.000000000 Z
+- name: pngjs
+  description: PNG encoder/decoder in pure JS
+  package_url: https://www.npmjs.com/pngjs
+  version: 7.0.0
+  license: MIT
+  open_source: true
+  hosted_saas: false
+  category: Libraries
+  sub_category: npm Packages
+  image_url: https://img.stackshare.io/package/17513/default_10a98ebc0146ab94b0fde6f7013c1279c82e4135.png
+  detection_source_url: https://github.com/minhnguyen311/javascript-algorithms/blob/master/package-lock.json
+  detection_source: package.json
+  last_updated_by: Oleksii Trekhleb
+  last_updated_on: 2023-04-10 16:31:06.000000000 Z