added gold mining system in test scene

Assets/Game/Scenes/TestScene/TestSceneScripts/MineScript.cs

@@ -0,0 +1,42 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using TMPro;
+
+public class MineScript : MonoBehaviour
+{
+   [HideInInspector] public TMP_Text txt;
+   [HideInInspector] public TMP_Text gold;
+
+   private int goldAmount = 0;
+   private int totalAmount = 0;
+   public float refreshTime = 0.2f;
+   
+ 
+     private void Start()
+     {
+         StartCoroutine(GetGoldTimer());
+     }
+ 
+     private IEnumerator GetGoldTimer() 
+     {
+         while (true) {
+             yield return new WaitForSeconds(refreshTime);
+             goldAmount++;  
+             UpdateGold();
+            }
+      }
+
+     private void UpdateGold()
+     {
+         gold.text = goldAmount.ToString();
+     }
+
+     public void CollectGold()
+     {
+         totalAmount = goldAmount + totalAmount;
+         txt.text = totalAmount.ToString();
+         goldAmount = 0;
+     }
+
+}

Assets/Game/Scenes/TestScene/TestSceneScripts/MineScript.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5dba27881224bcc41b9ee7727935bdca
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Game/ScriptableObjects/BuildingData/Mine.asset

@@ -19,4 +19,4 @@ MonoBehaviour:
     - name: Production rate
       value: 10%
     price: 8500
-  description: This is a mine
+  description: This is a gold mine