config: 初始化UE5项目文件与C++源码

- ChildHood.uproject + Config/ 引擎配置
- Source/ 含第三人称模板、战斗/平台/横版变体
- .vsconfig Visual Studio依赖配置

Source/ChildHood/ChildHood.cpp

@@ -0,0 +1,8 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include "ChildHood.h"
+#include "Modules/ModuleManager.h"
+
+IMPLEMENT_PRIMARY_GAME_MODULE( FDefaultGameModuleImpl, ChildHood, "ChildHood" );
+
+DEFINE_LOG_CATEGORY(LogChildHood)