feat: initial commit - HJHA game server full source

6 major server modules (PdkFriendServer/GlobalSever/ServerCore/GameModule/GameNetModule) +
game logic (GameFix/GameDAL/ServerData) +
network layer (NetWorkMessage) +
data layer (ObjectModel) +
utilities (MrWu/Core/Config/CloudAPI/dll) +
adapters (zyxAdapter/base)

.NET 8.0 C# solution, 16 projects, 958 source files

ServerCore/Message/RouterHeart.cs

@@ -0,0 +1,16 @@
+using MessagePack;
+using Server.Core;
+
+namespace NetWorkMessage
+{
+    [Message(MessageOpcode.RouterHeart)]
+    [MessagePackObject]
+    public class RouterHeart : RouterMessage
+    {
+        public static RouterHeart Create()
+        {
+            RouterHeart routerHeart = ReferencePool.Fetch<RouterHeart>();
+            return routerHeart;
+        }
+    }
+}