- Added new Stock Photos tab in Media Library for searching and importing Unsplash photos
- Implemented search functionality with preview thumbnails and attribution info
- Added one-click import feature to save photos directly to user's library
- Created detailed setup documentation (STOCK_PHOTOS_QUICK_START.md and STOCK_PHOTOS_SETUP.md)
- Added UNSPLASH_ACCESS_KEY configuration to .env.example
- Enhanced MediaLibrary component with tabs,
