Add event flags

scripts/Singleton/UI.gd

@@ -3,11 +3,13 @@ class_name UISystem extends Control
 var QUEST_MENU:QuestMenu
 var DEBUG_MENU:DebugMenu
 var INVENTORY_MENU:FullInventoryMenu
+var EVENT_FLAG_MENU:EventFlagMenu
 
 func _ready() -> void:
 	QUEST_MENU = $QuestMenu
 	DEBUG_MENU = $DebugMenu
 	INVENTORY_MENU = $FullInventory
+	EVENT_FLAG_MENU = $EventFlagMenu
 
 func _process(delta: float) -> void:
 	# This needs to always be at the end of the parent node's tree