UIManager 생성 및 PopupUI 기능 구현

Assets/Scripts/Managers/Managers.cs

@@ -7,8 +7,10 @@ public class Managers : MonoBehaviour
     
     InputManager _input = new InputManager();
     ResourceManager _resource = new ResourceManager();
+    UIManager _ui = new UIManager();
     public static InputManager Input { get { return Instance._input; } }
     public static ResourceManager Resource { get { return Instance._resource; } }
+    public static UIManager UI { get { return Instance._ui; } }
     
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Start()