Make origin non-diggable

init.lua

@@ -33,6 +33,7 @@ end
 minetest.register_node("origin:origin",{
 	description = S("The Origin"),
 	groups = { not_in_creative_inventory = 1, in_doc = 1, immortal = 1 },
+	diggable = false,
 	tiles = {"origin_origin.png"},
 	sounds = { footstep = "origin_origin_footstep" },
 	is_ground_content = false,