docs: add contributing guidelines for rdagent (#710)

* docs: add contributing guidelines for RD-Agent

* docs: update contributing guide to include CI checks before pull requests and refrer to it in the home page README

CONTRIBUTING.md

@@ -0,0 +1,50 @@
+# Contributing to RD-Agent
+
+We welcome contributions and suggestions to improve RD-Agent. Whether it's solving an issue, addressing a bug, enhancing documentation, or even correcting a typo, every contribution is valuable and helps improve the project.
+
+## Getting Started
+
+To get started, you can explore the issues list or search for `TODO:` comments in the codebase by running the command:
+```sh
+grep -r "TODO:"
+```
+
+## How to Contribute
+
+1. **Fork the Repository**: Create a fork of the repository on GitHub.
+2. **Clone the Repository**: Clone your forked repository to your local machine.
+   ```sh
+   git clone https://github.com/your-username/RD-Agent.git
+   ```
+3. **Create a Branch**: Create a new branch for your changes.
+   ```sh
+   git checkout -b feature/your-feature-name
+   ```
+4. **Make Changes**: Make your changes to the codebase.
+5. **Commit Changes**: Commit your changes with a descriptive commit message.
+   ```sh
+   git commit -m "Description of your changes"
+   ```
+6. **Push Changes**: Push your changes to your forked repository.
+   ```sh
+   git push origin feature/your-feature-name
+   ```
+7. **Ensure CI Passes**: Make sure your code passes the automatic CI checks on GitHub.
+8. **Create a Pull Request**: Create a pull request from your forked repository to the main repository.
+
+## Code of Conduct
+
+Please adhere to the [Code of Conduct](CODE_OF_CONDUCT.md) in all your interactions with the project.
+
+## Reporting Issues
+
+If you encounter any issues or have suggestions for improvements, please open an issue on GitHub.
+
+## Guidelines
+
+- Ensure your code follows the project's coding standards.
+- Write clear and concise commit messages.
+- Update documentation as needed.
+- Test your changes thoroughly before submitting a pull request.
+
+Thank you for contributing to RD-Agent!

README.md

@@ -331,6 +331,10 @@ For more detail, please refer to our **[🖥️ Live Demo page](https://rdagent.
 
 # 🤝 Contributing
 
+We welcome contributions and suggestions to improve RD-Agent. Please refer to the [Contributing Guide](CONTRIBUTING.md) for more details on how to contribute.
+
+Before submitting a pull request, ensure that your code passes the automatic CI checks.
+
 ## 📝 Guidelines
 This project welcomes contributions and suggestions.
 Contributing to this project is straightforward and rewarding. Whether it's solving an issue, addressing a bug, enhancing documentation, or even correcting a typo, every contribution is valuable and helps improve RDAgent.