add glass of milk and craft recipes

cow.lua

@@ -132,6 +132,37 @@ minetest.register_craftitem(":mobs:bucket_milk", {
 	groups = {food_milk = 1, flammable = 3},
 })
 
+-- glass of milk
+minetest.register_craftitem(":mobs:glass_milk", {
+	description = S("Glass of Milk"),
+	inventory_image = "mobs_glass_milk.png",
+	on_use = minetest.item_eat(2, 'vessels:drinking_glass'),
+	groups = {food_milk_glass = 1, flammable = 3},
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "mobs:glass_milk 4",
+	recipe = {
+		'vessels:drinking_glass', 'vessels:drinking_glass',
+		'vessels:drinking_glass', 'vessels:drinking_glass',
+		'mobs:bucket_milk'
+	},
+	replacements = { {"mobs:bucket_milk", "bucket:bucket_empty"} }
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "mobs:bucket_milk",
+	recipe = {
+		'mobs:glass_milk', 'mobs:glass_milk',
+		'mobs:glass_milk', 'mobs:glass_milk',
+		'bucket:bucket_empty'
+	},
+	replacements = { {"mobs:glass_milk", "vessels:drinking_glass 4"} }
+})
+
+
 -- butter
 minetest.register_craftitem(":mobs:butter", {
 	description = S("Butter"),