Lyrics Improvements

- Make the settings text actually consistent with behavior
- Add metadata (artist/track name) for fetched tracks
- Add ability to remove incorrectly fetched lyric
- Add lyric fetch cache; save the last 10 fetches
- Add ability to change offset in full screen, add more comments

src/renderer/api/types.ts

@@ -1029,6 +1029,14 @@ export type SynchronizedLyricsArray = Array<[number, string]>;
 
 export type LyricsResponse = SynchronizedLyricsArray | string;
 
+export type InternetProviderLyricResponse = {
+  artist: string;
+  lyrics: string;
+  title: string;
+};
+
+export type LyricOverride = Omit<InternetProviderLyricResponse, 'lyrics'>;
+
 export const instanceOfCancellationError = (error: any) => {
   return 'revert' in error;
 };