chore: board todos

lib/game/components/board.dart

@@ -12,11 +12,14 @@ class Board extends Component {
 
   @override
   Future<void> onLoad() async {
+    // TODO(allisonryan0002): add bottom group and flutter forest to pinball
+    //game directly. Then remove board.
     final bottomGroup = _BottomGroup();
 
     final flutterForest = FlutterForest();
 
     // TODO(alestiago): adjust positioning to real design.
+    // TODO(alestiago): add dino in pinball game.
     final dino = ChromeDino()
       ..initialPosition = Vector2(
         BoardDimensions.bounds.center.dx + 25,