- Replace single folder queries with multiple folder operations - Add AddUserEbookFolder, GetUserEbookFolders, DeleteUserEbookFolder queries - Regenerate Go code with sqlc - Update models to include UserEbookFolders struct
- Replace single folder queries with multiple folder operations - Add AddUserEbookFolder, GetUserEbookFolders, DeleteUserEbookFolder queries - Regenerate Go code with sqlc - Update models to include UserEbookFolders struct