- Removed `.github-theme` from .gitignore as it is no longer needed.
- Updated `official-style-map.md` to clarify the maintenance of GitHub Light style increments within the current repository.
- Revised `rules.md` to reflect the new approach to maintaining GitHub Light theme increments.
- Changed test script in `package.json` to verify generated theme instead of GitHub migration.
- Added `verify-generated-theme.ts` script to validate the generated theme files.
- Migrated various styles from `.github-theme` to the new structure, updating comments and references accordingly.
chuan