unit testing for GH Actions initiated

Author: Calimix

.github/workflows/unittests.yaml

@@ -0,0 +1,44 @@
+# This is a basic workflow to validate HTML and CSS
+name: HTML and CSS Validation Workflow
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "main" branch
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "validate_job"
+  validate_job:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v4
+      
+      # Sets up Node.js environment
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '16'
+
+      # Installs HTMLHint and Stylelint
+      - name: Install dependencies
+        run: |
+          npm install htmlhint stylelint stylelint-config-standard --save-dev
+
+      # Runs HTML validation
+      - name: Validate HTML
+        run: npx htmlhint .
+
+      # Runs CSS validation
+      - name: Validate CSS
+        run: npx stylelint "**/*.css"
+