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/linux-shell-scripting/SKILL.md

@@ -1,11 +1,9 @@
 ---
 name: linux-shell-scripting
 description: "This skill should be used when the user asks to \"create bash scripts\", \"automate Linux tasks\", \"monitor system resources\", \"backup files\", \"manage users\", or \"write production she..."
-metadata:
-  author: zebbern
-  version: "1.1"
 risk: unknown
 source: community
+date_added: "2026-02-27"
 ---
 
 # Linux Production Shell Scripts