Created gold shields

They are as strong as Bronze Shields.

shields/init.lua

@@ -30,6 +30,13 @@ minetest.register_tool("shields:shield_diamond", {
 	wear = 0,
 })
 
+minetest.register_tool("shields:shield_gold", {
+	description = "Gold Shield",
+	inventory_image = "shields_inv_shield_gold.png",
+	groups = {armor_shield=10, armor_heal=6, armor_use=250},
+	wear = 0,
+})
+
 if use_moreores then
 	minetest.register_tool("shields:shield_mithril", {
 		description = "Mithril Shield",