Update README and add CHANGELOG for Tauri skill
- Update README.md badges to reflect 270+ skills
- Add Tauri to Development Tools section
- Update skill counts throughout README
- Create comprehensive CHANGELOG.md documenting:
- Tauri framework skill addition
- Ralph Orchestrator documentation improvements
- Missing repository components (hooks, commands, bin, scripts, templates)
- Repository consolidation
Co-Authored-By: Claude <noreply@anthropic.com>
