✨ Impl more features (clean up 20+ todo)

⚡ Add query cache

lib/services/sourced_track/models/search.dart

@@ -1,12 +0,0 @@
-enum SearchMode {
-  youtube._('YouTube'),
-  youtubeMusic._('YouTube Music');
-
-  final String label;
-
-  const SearchMode._(this.label);
-
-  factory SearchMode.fromString(String key) {
-    return SearchMode.values.firstWhere((e) => e.name == key);
-  }
-}

lib/services/sourced_track/models/video_info.dart

@@ -1,6 +1,5 @@
 import 'package:piped_client/piped_client.dart';
-import 'package:rhythm_box/services/sourced_track/models/search.dart';
-
+import 'package:rhythm_box/services/database/database.dart';
 import 'package:youtube_explode_dart/youtube_explode_dart.dart';
 
 class YoutubeVideoInfo {