增加一些定义

Hotfix/Outer/Demo/Addresable/G2M_SendAddressableMessageHandler.cs

@@ -0,0 +1,13 @@
+using Fantasy.Async;
+using Fantasy.Network.Interface;
+
+namespace Fantasy;
+
+public sealed class G2M_SendAddressableMessageHandler : Addressable<Unit, G2M_SendAddressableMessage>
+{
+    protected override async FTask Run(Unit unit, G2M_SendAddressableMessage message)
+    {
+        Log.Debug($"收到Gate发送来的Addressable消息 message:{message.Tag}");
+        await FTask.CompletedTask;
+    }
+}