Added note

src/gameUtils/turns.py

@@ -2,6 +2,10 @@
 #       I.E. has the shocker been passed to the next player.
 #       Also add a pop-up, probably using pygame-gui, to tell the player
 #       to pass the shocker to the next person.
+# NOTE: Each expansion is assigned multiple players, if an expansion has a tag
+#       such as "ONE_PERSON_ONLY", it means that when the game developer wants
+#       to go to the next player, it must self.notify() the players to pass the
+#       physical object around.
 
 class BaseTurnHandler:
     def __init__(self, playersManager):