implement a few more messages

nksrv/LobbyServer/Msgs/Event/GetJoinedEvent.cs

@@ -0,0 +1,24 @@
+using nksrv.Utils;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace nksrv.LobbyServer.Msgs.Event
+{
+    [PacketPath("/event/getjoinedevent")]
+    public class EnterLobbyPing : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            var req = await ReadData<ReqGetJoinedEvent>();
+
+            var response = new ResGetJoinedEvent();
+
+            // TODO
+
+            WriteData(response);
+        }
+    }
+}