- Added a new command-line argument `--delete` to allow users to delete single albums after successful metadata migration.
- Integrated the `unmonitor_and_delete_album` function to handle the deletion process for albums that meet the migration criteria.
- Enhanced the `migrate_plex_metadata` function to support exclusion of smart playlists during migration.
- Updated logging to provide detailed feedback on the deletion process and migration results.
- Integrated `plexapi` and `python-dotenv` as dependencies in `flake.nix` and `pyproject.toml` for enhanced functionality.
- Implemented new modules for audio verification and duplicate tracking, including `audio_verification.py`, `duplicate_finder.py`, and `track_verification.py`.
- Updated `main.py` to utilize the new modules for identifying and managing duplicate single tracks in Lidarr, with detailed logging and confidence scoring.
- Enhanced the `find_duplicate_singles` function to support audio verification results and metadata migration to Plex.
- Refactored existing code for improved structure and maintainability, ensuring better integration of new features.
