added collision layer names

src/project.godot

@@ -87,6 +87,14 @@ down={
  ]
 }
 
+[layer_names]
+
+2d_physics/layer_1="player"
+2d_physics/layer_2="wall"
+2d_physics/layer_3="boss"
+2d_physics/layer_4="monster"
+2d_physics/layer_5="traps"
+
 [rendering]
 
 environment/default_environment="res://default_env.tres"