✅ Added Simple API Documentation:
- Created API_DOCS.md with comprehensive endpoint documentation
- Added /docs endpoint to serve formatted API documentation
- Updated /api endpoint to include documentation reference
- Simple HTML formatting for better readability
✅ Documentation Features:
- Complete endpoint descriptions with examples
- Request/response formats for all endpoints
- cURL and Python usage examples
- Error response documentation
- Model information and specifications
✅ Access Points:
- /api - Basic API info (JSON)
- /docs - Detailed documentation (HTML)
- API_DOCS.md - Raw markdown documentation
Simple, clean documentation without complex Swagger UI overhead.