added boss (final commit)

Assets/Code/UI/MainMenuController.cs

@@ -121,7 +121,7 @@ namespace Code.UI
             parallaxRoot.localPosition = _currentParallaxOffset;
         }
         
-        private void OnStartGameClicked() => FadeOutAndLoad("Gameplay2");
+        private void OnStartGameClicked() => FadeOutAndLoad("Gameplay1");
         
         private void OnExitButtonClicked() => FadeOutAndQuit();