player can now choose between different shields and weapons. added consumable items (healing potion)

src/de/miaurizius/jgame2d/core/enums/EntityType.java

@@ -6,6 +6,13 @@ public enum EntityType {
     NPC,
     MONSTER,
     ITEM,
-    WORLD
+    WORLD,
+    WEAPON,
+    SHIELD;
+
+    public enum WeaponType {
+        SWORD,
+        AXE
+    }
 
 }