Add hammer for left click items when holding down right click

src/Dodge/Data.hs

@@ -132,6 +132,7 @@ data World = World
     , _rewindWorlds         :: [World]
     , _timeFlow             :: TimeFlowStatus
     , _worldClock           :: Int
+    , _doubleMouseHammer    :: HammerPosition
     }
 
 data HUDElement = DisplayInventory {_subInventory :: SubInventory}