Updated MinetestForFun Game

- Moved farming and screwdriver into MinetestForFun Game
 - Updated files (mostly `is_ground_content`)
 - Removed weird partial copy of jukebox in MinetestForFun Game

minetestforfun_game/mods/farming/donut.lua

@@ -0,0 +1,45 @@
+-- Donut (thanks to Bockwurst for making the donut images)
+minetest.register_craftitem("farming:donut", {
+	description = "Donut",
+	inventory_image = "farming_donut.png",
+	on_use = minetest.item_eat(4),
+})
+
+minetest.register_craft({
+	output = "farming:donut 3",
+	recipe = {
+		{'', 'farming:wheat', ''},
+		{'farming:wheat', '', 'farming:wheat'},
+		{'', 'farming:wheat', ''},
+	}
+})
+
+-- Chocolate Donut
+minetest.register_craftitem("farming:donut_chocolate", {
+	description = "Chocolate Donut",
+	inventory_image = "farming_donut_chocolate.png",
+	on_use = minetest.item_eat(6),
+})
+
+minetest.register_craft({
+	output = "farming:donut_chocolate",
+	recipe = {
+		{'farming:cocoa_beans'},
+		{'farming:donut'},
+	}
+})
+
+-- Apple Donut
+minetest.register_craftitem("farming:donut_apple", {
+	description = "Apple Donut",
+	inventory_image = "farming_donut_apple.png",
+	on_use = minetest.item_eat(6),
+})
+
+minetest.register_craft({
+	output = "farming:donut_apple",
+	recipe = {
+		{'default:apple'},
+		{'farming:donut'},
+	}
+})