Add Documentation to Tutorial Class

Assets/Scripts/UI/TutorialMessageController.cs

-using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
-using UnityEngine.UI;
 
+// Controls the Tutorial Messages. Activates the corresponding tutorial message
+// and hides all other ones on button click.
 public class TutorialMessageController : MonoBehaviour
 {
     [SerializeField] List<string> keyTut;
@@ -23,6 +23,7 @@ public class TutorialMessageController : MonoBehaviour
         }
     }
 
+    // Called by the Tutorial Buttons
     public void ActivateTutorial(string tutorialType)
     {
         if ( activeMessage != null)