Commit before apply different damage amounts to different materials

src/Dodge/Wall/Damage.hs

@@ -1,10 +1,7 @@
 {- | Controls a walls response to external damage.
  - Indestructible walls may still produce sparks, dust etc
 -}
-module Dodge.Wall.Damage (
---    damageBlocksBy,
-    damageWall,
-) where
+module Dodge.Wall.Damage (damageWall) where
 
 import Dodge.Material.Damage
 import Dodge.Block