feat(parser): add banner to PlaylistHeader (#337)

src/parser/classes/HeroPlaylistThumbnail.ts

@@ -0,0 +1,19 @@
+import { YTNode } from '../helpers.js';
+import NavigationEndpoint from './NavigationEndpoint.js';
+import Thumbnail from './misc/Thumbnail.js';
+
+class HeroPlaylistThumbnail extends YTNode {
+  static type = 'HeroPlaylistThumbnail';
+
+  thumbnails: Thumbnail[];
+  on_tap_endpoint: NavigationEndpoint;
+
+  constructor(data: any) {
+    super();
+
+    this.thumbnails = Thumbnail.fromResponse(data.thumbnail);
+    this.on_tap_endpoint = new NavigationEndpoint(data.onTap);
+  }
+}
+
+export default HeroPlaylistThumbnail;