chore: release 6.5.0 - Community & Experience

- Add date_added to all 950+ skills for complete tracking
- Update version to 6.5.0 in package.json and README
- Regenerate all indexes and catalog
- Sync all generated files

Features from merged PR #150:
- Stars/Upvotes system for community-driven discovery
- Auto-update mechanism via START_APP.bat
- Interactive Prompt Builder
- Date tracking badges
- Smart auto-categorization

All skills validated and indexed.

Made-with: Cursor

skills/python-fastapi-development/SKILL.md

@@ -1,11 +1,10 @@
 ---
 name: python-fastapi-development
 description: "Python FastAPI backend development with async patterns, SQLAlchemy, Pydantic, authentication, and production API patterns."
-source: personal
-risk: safe
-domain: backend-development
 category: granular-workflow-bundle
-version: 1.0.0
+risk: safe
+source: personal
+date_added: "2026-02-27"
 ---
 
 # Python/FastAPI Development Workflow