Добавил отображение денег

Assets/Scripts/UI/MoneyViewer.cs

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+using UnityEngine;
+
+public class MoneyViewer : MonoBehaviour
+{
+    [SerializeField] private Wallet _wallet;
+    [SerializeField] private TMPro.TextMeshProUGUI _moneyText;
+
+    private void OnEnable()
+    {
+        _wallet.OnMoneyChanged += OnMoneyChanged;
+        OnMoneyChanged(_wallet.Money);
+    }
+
+    private void OnDisable()
+    {
+        _wallet.OnMoneyChanged -= OnMoneyChanged;
+    }
+
+    private void OnMoneyChanged(int money)
+    {
+        _moneyText.text = money.ToString();
+    }
+}

Assets/Scripts/UI/MoneyViewer.cs.meta

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+fileFormatVersion: 2
+guid: faf1e6ce2a2b90546af42ad00fbc2d0e