- Updated main README with detailed setup, Kokoro model configuration, and troubleshooting
- Enhanced backend README with API documentation, Docker setup, and testing instructions
- Improved frontend README with component details, deployment guide, and development tips
- Added workflow testing steps and common error solutions
- Documented all supported languages, voices, and configuration options
Implements task 14 from text-to-audiobook spec
Requirements: 13.1, 13.2, 13.3, 13.4, 13.5