Adds missing models, oops

src/AlbumInfo.ts

@@ -1,5 +1,7 @@
+import {AlbumTrackInfo} from "./AlbumTrackInfo.ts";
+
 export interface AlbumInfo {
   albumTitle: string,
-  albumFolder: string,
-  hash: string
+  albumArtist: string,
+  trackList: AlbumTrackInfo[]
 }

src/AlbumMetadata.ts

@@ -0,0 +1,5 @@
+export interface AlbumMetadata {
+  albumTitle: string,
+  albumFolder: string,
+  hash: string
+}