[TASK] Show collected duck stickers

Assets/DuckStickerData.cs

@@ -1,15 +1,23 @@
+using System;
+using Unity.Collections;
 using UnityEngine;
 
 [CreateAssetMenu(fileName = "sticker", menuName = "Duck/Sticker", order = 10)]
+[Serializable]
 public class DuckStickerData: ScriptableObject
 {
-
+    [SerializeField]
+    [ReadOnly]
+    private string _id = System.Guid.NewGuid().ToString();
+    
     [SerializeField]
     private string _label;
     
     [SerializeField]
     private Sprite _stickerSprite;
 
+    public string Id => _id;
+
     public string Label => _label;
 
     public Sprite StickerSprite => _stickerSprite;