-Added Items

-Added item stacking
-adding and removing items

Assets/Scripts/Inventory/Item.cs

@@ -0,0 +1,12 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+[CreateAssetMenu(fileName = "Item", menuName = "Items/Item", order = 1)]
+public class Item : ScriptableObject
+{
+    public new string name;
+    public int id;
+    public bool isStackable;
+    public Sprite sprite;
+}