Improved lyric syncing, fetch

- uses a somewhat more sane way to parse lyrics and teardown timeouts
- adds 'seeked' to setCurrentTime to make detecting seeks in lyric much easier
- adds ability to fetch lyrics from genius/netease (desktop only)

src/main/features/core/index.ts

@@ -1,2 +1,3 @@
+import './lyrics';
 import './player';
 import './settings';