doc: update readme to intro project (#24)

Co-authored-by: Rick <[email protected]>

Author: LinuxSuRen

README.md

@@ -1,9 +1,20 @@
 [![Codacy Badge](https://app.codacy.com/project/badge/Coverage/707e613bf0d84c3cb1367f98e4b1e463)](https://app.codacy.com/gh/LinuxSuRen/atest-ext-store-orm/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade)
 
 # atest-ext-store-orm
-ORM database Store Extension of API Testing
+ORM database Store Extension for API Testing
 
-All issues of this project could be found at [linuxsuren/api-testing](https://github.com/LinuxSuRen/api-testing/issues).
+This project provides an ORM-based database store extension for API testing, simplifying data storage and retrieval operations. It supports various databases including SQLite, MySQL, and others, making it versatile for different testing environments.
+
+## Features
+- Simplified database operations using ORM.
+- Integration with API testing frameworks.
+- Support for multiple databases (SQLite, MySQL, etc.).
+
+## Usage
+To use this extension in your API testing project, follow these steps:
+1. Install the necessary dependencies.
+2. Configure the database connection settings.
+3. Integrate the extension into your API tests.
 
 ## Q&A