add nickname support, try to fix campaign stage save

nksrv/LobbyServer/Msgs/User/Tutorial/SetTutorial.cs

@@ -0,0 +1,22 @@
+using nksrv.Utils;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace nksrv.LobbyServer.Msgs.User.Tutorial
+{
+    [PacketPath("/tutorial/set")]
+    public class SetTutorial : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            var req = await ReadData<ReqSetTutorial>();
+
+            Console.WriteLine("TODO - clear tutorial with tid: " + req.LastClearedTid);
+            var response = new ResSetTutorial();
+            WriteData(response);
+        }
+    }
+}