create base item SO for container. still need to set container type for different item types (sellable or not)

Assets/Scripts/ScriptableObjects/SellableItemSO.cs

@@ -1,10 +1,8 @@
 using UnityEngine;
 
 [CreateAssetMenu()]
-public class SellableItemSO : ScriptableObject
+public class SellableItemSO : BaseItemSO
 {
     public Transform Prefab;
-    public string ItemName;
     public float Price;
-    public Sprite Icon;
 }