Zombie Mode [New Game Mode] (#8501)

Co-authored-by: Kara <lunarautomaton6@gmail.com>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Resources/Prototypes/Actions/types.yml

@@ -7,6 +7,13 @@
   serverEvent: !type:ScreamActionEvent
   checkCanInteract: false
 
+- type: instantAction
+  id: TurnUndead
+  name: turn-undead-action-name
+  description: turn-undead-action-description
+  icon: Interface/Actions/zombie-turn.png
+  event: !type:ZombifySelfActionEvent
+
 - type: instantAction
   id: ToggleLight
   name: action-name-toggle-light