Added Contribution markdown file and a section in the readme.

CONTRIBUTING.md

@@ -0,0 +1,36 @@
+# Contributing to OpenNoodl
+
+Thank you for your interest in contributing! Here’s how you can help:
+
+## How to Contribute
+
+1. **Fork the repository** and create your feature branch:
+   ```bash
+   git checkout -b feature/my-feature
+   ```
+2. **Make your changes** and ensure your code follows the existing style and conventions.
+3. **Test your changes** locally.
+4. **Commit your changes** with a clear message:
+   ```bash
+   git commit -am 'Add new feature'
+   ```
+5. **Push to your branch**:
+   ```bash
+   git push origin feature/my-feature
+   ```
+6. **Open a pull request** on GitHub. Describe your changes and the motivation behind them.
+
+## Guidelines
+
+- The branch name should be descriptive of the feature or fix. Either `feature/<my-feature>` or `fix/<my-fix>` prefixes are recommended. Also including an issue number can be helpful.
+- Follow the coding style used in the project.
+- Write clear, concise commit messages.
+- Add tests for new features or bug fixes when possible.
+- Document any new functionality.
+
+## Need Help?
+
+- Join our [community](https://the-low-code-foundation.fibery.io/invite/5NtlTThnCPh2vaAk)
+- Open an issue for questions or suggestions.
+
+Thank you for helping improve OpenNoodl!