added leaderboard

Assets/Code/UI/MainMenuController.cs

@@ -29,7 +29,7 @@ namespace Code.UI
         {
             playButton.onClick.AddListener(() => LoadScene("Gameplay"));
             customizeButton.onClick.AddListener(() => LoadScene("Customization"));
-            leaderboardButton.onClick.AddListener(() => Debug.Log("Leaderboard"));
+            leaderboardButton.onClick.AddListener(() => LoadScene("Leaderboard"));
             exitButton.onClick.AddListener(Application.Quit);
 
             AnimateMenu();