调整 Event 和 Editor 命名空间

- 将原来的 CustomEvent 调整到 SepCore.Event
- 将 Editor 文件夹下的统一到 SepCore.Editor，顺带修改了 Editor 程序集

Assets/GameMain/Scripts/Editor/GameFrameworkConfigs.cs

@@ -1,17 +1,10 @@
-//------------------------------------------------------------
-// Game Framework
-// Copyright © 2013-2021 Jiang Yin. All rights reserved.
-// Homepage: https://gameframework.cn/
-// Feedback: mailto:ellan@gameframework.cn
-//------------------------------------------------------------
-
-using GameFramework;
+using GameFramework;
 using System.IO;
 using UnityEngine;
 using UnityGameFramework.Editor;
 using UnityGameFramework.Editor.ResourceTools;
 
-namespace StarForce.Editor
+namespace SepCore.Editor
 {
     public static class GameFrameworkConfigs
     {