docs: add README, boost skill, and documentation site

docs/content/4.community/1.contributing.md

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+---
+title: Contributing
+description: How to contribute to Comments
+navigation:
+  icon: i-lucide-heart-handshake
+---
+
+## Quick Start
+
+1. **Fork** the repository
+2. **Create** a feature branch
+3. **Make** your changes
+4. **Run** tests: `composer test`
+5. **Submit** a pull request
+
+## Guidelines
+
+- Follow the existing code style
+- Add tests for new features
+- Update documentation as needed
+- One feature per pull request
+
+## Development Commands
+
+```bash
+# Run tests
+composer test
+
+# Format code
+composer pint
+
+# Static analysis
+composer analyse
+```
+
+## Need Help?
+
+- [Open an issue](https://github.com/relaticle/comments/issues) for bugs or questions
+- Check [existing issues](https://github.com/relaticle/comments/issues) first