继续重构调整（UI）

- 引入 UniTask 和异步版本的 UIModule
- 调整 Runtime/UIBase 和 Presentation 下的脚本命名空间到 SepCore.UI
- 将原来的 5 层 UI 迁移到异步实现
- 规范各层的 UI 脚本命名

Assets/GameMain/Scripts/Runtime/CustomComponent/HPBar/HPBarComponent.cs

@@ -1,16 +1,8 @@
-//------------------------------------------------------------
-// Game Framework
-// Copyright © 2013-2021 Jiang Yin. All rights reserved.
-// Homepage: https://gameframework.cn/
-// Feedback: mailto:ellan@gameframework.cn
-//------------------------------------------------------------
-
-using GameFramework.ObjectPool;
+using GameFramework.ObjectPool;
 using System.Collections.Generic;
 using Entity;
 using StarForce;
 using UnityEngine;
-using UnityEngine.Serialization;
 using UnityGameFramework.Runtime;
 
 namespace CustomComponent
@@ -122,4 +114,4 @@ namespace CustomComponent
             return hpBarItem;
         }
     }
-}
+}