Release v3.3.0 - GitHub Integration & Enhanced File Management

- GitHub PAT support for cloning private repositories
- Browse and select from your GitHub repos when cloning
- Searchable repo list with instant filtering
- Secure token storage in settings

- Folder tree structure with expandable directories
- Project persistence survives server restarts
- Auto-discovery of existing projects
- Lazy content loading for better performance

- Added /github-repos API endpoint
- JSON-backed project storage
- On-demand file content fetching
- Improved file viewer modal

Full Changelog: https://github.com/drtonylove1963/pronetheia-os/compare/v3.2.0...v3.3.0