Remove CBB (~5,000+ games per season) to reduce complexity.
Changes:
- Remove .cbb enum case from Sport
- Remove CBB theme color (cbbMint)
- Update documentation to reflect 7 supported leagues
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Project overview and features
- Supported leagues (8 sports)
- Installation and setup instructions
- Project structure and architecture
- Development commands
- Test suite summary
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
