Add minecart group

mods/craftingpack/crafting/creative.lua

@@ -54,7 +54,7 @@ function set_inv(filter, player)
 						table.insert(creative_list, name)
 					end
 				elseif filter == "#rail" then
-					if def.groups.rail or def.groups.cart or def.groups.boat then
+					if def.groups.rail or def.groups.minecart or def.groups.boat then
 						table.insert(creative_list, name)
 					end
 				elseif filter == "#misc" then

mods/mcl_minecarts/init.lua

@@ -275,6 +275,7 @@ minetest.register_craftitem("mcl_minecarts:minecart", {
 		itemstack:take_item()
 		return itemstack
 	end,
+	groups = { minecart = 1 },
 })
 
 minetest.register_craft({