fix: fix inquirer prompt issue

clean: remove write to config methods

refactor: use get_music_files() everywhere

refactor: merge setup_ytmusic.py file

fix: fix ytmusic calls to select_ytmusic_match

refactor: rename spotify and ytmusic methods, add docstrings

refactor: remove local_files/common.py and useless functions

refactor: DTag now inherits from MusicFile

refactor: continue refactoring local_files

refactor: make files search more consistent

refactor: reorganize /local_files and /discogs

refactor: refactor local_files

feat: better logger

fix: fix relative imports

refactor: rename methods for more consistency