chore(docs): added README with basic info

Author: IvanChepurnyi

README.md

@@ -1,2 +1,35 @@
-# mysql-to-jsonl
-Export/Import JSONL files as data for MySQL tables
+# 🚀 Blazingly fast **mysql2jsonl** 🚀
+
+## Purpose:
+The `mysql2jsonl` tool provides an efficient way to export data from a MySQL database to JSONL (JSON Lines) files and to import data back into a database from these files. 
+It is highly configurable and optimized for performance with concurrency and batching in mind!
+
+
+## **Key Features**:
+- Export and Import Commands
+    - `mysql2jsonl export`: Exports MySQL database table data into JSONL files.
+    - `mysql2jsonl import`: Imports JSONL files back into the MySQL database tables.
+
+- Complex rules for excluding/including tables into the export
+- No compromise on performance!
+- JSONSchema for configuration validation, no more guessing when editing config file.
+
+
+## Installation
+
+### Composer
+
+```bash
+composer require ecomdev/mysql2jsonl
+```
+
+### Phar
+
+Download pre-bundled application from [Releases](https://github.com/EcomDev/mysql-to-jsonl/releases)
+
+
+## 📜 License
+
+This project is licensed under the MIT License.
+
+See the [LICENSE](LICENSE) file for more details.