Consolidate the repository into clearer apps, tools, and layered docs areas so contributors can navigate and maintain it more reliably. Align validation, metadata sync, and CI around the same canonical workflow to reduce drift across local checks and GitHub Actions.
- Added `scripts/auto_categorize_skills.py` to analyze skill names and descriptions, auto-assigning categories based on keyword matching.
- Updated category distribution to show counts and sort categories by skill count in the Home page dropdown.
- Created documentation in `docs/CATEGORIZATION_IMPLEMENTATION.md` and `docs/SMART_AUTO_CATEGORIZATION.md` detailing the new categorization process and usage.
- Introduced `scripts/fix_year_2025_to_2026.py` to update all skill dates from 2025 to 2026.
- Enhanced user experience by moving "uncategorized" to the bottom of the category list and displaying skill counts in the dropdown.
