Enhance README with improved visual design and user experience

- Add Meilisearch logo and colorful badges (PyPI, Python versions, tests, license, downloads)
- Create welcoming tagline and benefit-focused introduction
- Reorganize content with emoji-enhanced section headers
- Add 3-step Quick Start guide for immediate setup
- Include conversational examples showing Claude interactions
- Restructure sections with collapsible details for better navigation
- Add Community & Support section with Discord and documentation links
- Improve tone to be more welcoming and less technical
- Move detailed technical documentation to collapsible section at bottom
- Maintain all existing functionality while improving presentation

Author: tpayet