New Building buttons integrated + global leaderboard

Assets/Game/Scripts/GlobalLeaderboard.cs

@@ -0,0 +1,21 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class GlobalLeaderboard : MonoBehaviour
+{
+    public Transform leaderboardItemsParent;
+    public async void Show(){
+        List<LeaderboardUserData> leaderboard =  await DBmanager.GetLeaderboard();
+        for(int i =0; i < leaderboardItemsParent.childCount; i++){
+            if(i > leaderboard.Count-1){
+                leaderboardItemsParent.GetChild(i).gameObject.SetActive(false);
+                continue;
+            }
+            leaderboardItemsParent.GetChild(i).gameObject.SetActive(true);
+            leaderboardItemsParent.GetChild(i).GetComponent<LeaderboardItem>().Set(leaderboard[i]);
+        }
+
+        gameObject.SetActive(true);
+    }
+}