Add charcoal

crafting/tree_to_coal.lua

@@ -1,6 +1,6 @@
 minetest.register_craft({
     type = "cooking",
-    output = "default:coal_lump",
+    output = "minetest_additions:charcoal",
     recipe = "group:tree",
     cooktime = 10,
 })

items/charcoal.lua

@@ -0,0 +1,10 @@
+minetest.register_craftitem("minetest_additions:charcoal", {
+    description = "Charcoal",
+    inventory_image = "charcoal.png",
+})
+
+minetest.register_craft({
+    type = "fuel",
+    recipe = "minetest_additions:charcoal",
+    burntime = 20,
+})