docs: Polish README with badges, structure, and compelling content

README improvements:
- Add status badges (CI, coverage, Python version, PyPI, license)
- Add centered header with quick navigation links
- Improve visual structure with emojis and sections
- Add mermaid diagram for architecture visualization
- Enhance feature descriptions with clear benefits
- Add comprehensive comparison table
- Update configuration example (version: 1)
- Add professional acknowledgments and support section
- Include detailed CLI reference and integration guides
- Add compelling use cases with code examples

Professional touches:
- Centered layout for header and footer
- Quick navigation menu
- Better code examples with expected output
- Clear call-to-action buttons
- Professional tone throughout

This creates an excellent first impression for visitors and potential contributors.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: GeneAI