Add skull dummy images

mods/lzr_laser/blocks.lua

@@ -490,9 +490,9 @@ register_element("detector", {
 -- Is non-walkable if off,
 -- and walkable if on.
 register_element("skull_cursed", {
-	description = S("Cursed Skull"),
+	description = S("Cursed Skull (experimental)"),
 	paramtype2 = "facedir",
-	--[[ TODO
+	-- TODO: Draw proper images
 	tiles_off = {
 		"lzr_laser_cskull_top.png^lzr_laser_fixed.png",
 		"lzr_laser_cskull_bottom.png^lzr_laser_fixed.png",
@@ -525,7 +525,6 @@ register_element("skull_cursed", {
 		"lzr_laser_cskull_on_back.png",
 		"lzr_laser_cskull_on_front.png",
 	},
-	]]
 	light_source_on = 5,
 	groups = { rotatable = 2, laser_block = 1 },
 	on_rotate = screwdriver.rotate_simple,
@@ -535,9 +534,9 @@ register_element("skull_cursed", {
 -- Is walkable if off,
 -- and non-walkable if on.
 register_element("skull_shy", {
-	description = S("Shy Skull"),
+	description = S("Shy Skull (experimental)"),
 	paramtype2 = "facedir",
-	--[[ TODO
+	-- TODO: Draw proper images
 	tiles_off = {
 		"lzr_laser_sskull_top.png^lzr_laser_fixed.png",
 		"lzr_laser_sskull_bottom.png^lzr_laser_fixed.png",
@@ -570,7 +569,6 @@ register_element("skull_shy", {
 		"lzr_laser_sskull_on_back.png",
 		"lzr_laser_sskull_on_front.png",
 	},
-	]]
 	light_source_on = 5,
 	groups = { rotatable = 2, laser_block = 1 },
 	on_rotate = screwdriver.rotate_simple,