changed Item to be an enum abstract

src/lib/Item.hx

@@ -3,7 +3,7 @@ package lib;
 /**
 	Represents an item in the game.
 **/
-abstract Item(String) to String {
+enum abstract Item(String) to String {
 	public inline function new(name:String) {
 		// Check if the name is valid. in the format `mod:item_name` e.g. `minecraft:apple`
 		// TODO: implement
@@ -19,4 +19,7 @@ abstract Item(String) to String {
 	function getBase():String {
 		return this.split(":")[0];
 	}
+
+	var Coal = "minecraft:coal";
+	var Charcoal = "minecraft:charcoal";
 }