Start refactor storing items in single intmap, done turrets

More checks required

src/Dodge/Placement/Instance/Sensor.hs

@@ -35,6 +35,7 @@ damageSensor dt wdth mtrid ps = pContID ps (PutLS $ lsPosCol (V3 0 0 30) 0.1) $
                             )
                 )
                 defaultSensorWall
+                Nothing
             )
 
 damageTypeThreshold :: SensorType -> Int