- Create EbookScanner service with multiple folder support
- Update scanner to handle array of folder paths instead of single path
- Add EPUB metadata extraction for rich ebook information
- Implement folder monitoring with fsnotify for real-time updates
- Add API endpoints for folder management:
- POST /api/auth/ebook-folders (add folder)
- GET /api/auth/ebook-folders (list folders)
- DELETE /api/auth/ebook-folders/:folderPath (remove folder)
- Update scanner endpoints to accept folder_paths array
- Add go-epub and fsnotify dependencies for metadata extraction and file watching