feat(Structures): basic setup

src/Structures/Playlist.ts

@@ -1 +1,15 @@
-export {};
+import { Player } from "../Player";
+import { Track } from "./Track";
+
+class Playlist {
+    public readonly player: Player;
+    public tracks: Track[];
+
+    constructor(player: Player, tracks: Track[]) {
+        this.player = player;
+        this.tracks = tracks ?? [];
+    }
+
+}
+
+export { Playlist };