Feat: packaging (#127)

- Add configuration files for packaging
- Precommit now uses ruff

Co-authored-by: bkfox <thomas bkfox net>
Reviewed-on: rc/aircox#127

aircox/models/user_settings.py

@@ -15,6 +15,4 @@ class UserSettings(models.Model):
         related_name="aircox_settings",
     )
     playlist_editor_columns = models.JSONField(_("Playlist Editor Columns"))
-    playlist_editor_sep = models.CharField(
-        _("Playlist Editor Separator"), max_length=16
-    )
+    playlist_editor_sep = models.CharField(_("Playlist Editor Separator"), max_length=16)