feat: animated artwork

Animated artwork over the Now Playing artwork tile, behind a
new "Animated Artwork" setting.

plugins/radiant-lyrics-luna/src/hls-light.d.ts

@@ -0,0 +1,6 @@
+// hls.js ships types for its main entry only. The light build is the same public
+// API with alt-audio, subtitles and EME stripped, so point it at those types.
+declare module "hls.js/light" {
+	export * from "hls.js";
+	export { default } from "hls.js";
+}