Splitted big CLI module in smaller chunks

funkwhale_cli/api.py

funkwhale_cli/cli/__init__.py

funkwhale_cli/cli/albums.py

funkwhale_cli/cli/artists.py

funkwhale_cli/cli/auth.py

funkwhale_cli/cli/base.py

funkwhale_cli/cli/favorites.py

funkwhale_cli/cli/libraries.py

funkwhale_cli/cli/playlists.py

funkwhale_cli/cli/server.py

funkwhale_cli/cli/tracks.py

funkwhale_cli/cli/uploads.py

funkwhale_cli/cli/users.py

funkwhale_cli/utils.py

setup.cfg

tests/test_api.py

tests/test_cli.py