Game seems to work

Room/Messages/EndMessage.cs

@@ -0,0 +1,13 @@
+namespace MauMau_Server.Room.Messages;
+
+public class EndMessage
+{
+    public Guid WinnerId { get; set; }
+    public string WinnerName { get; set; }
+    
+    public EndMessage(Guid winnerId, string winnerName)
+    {
+        WinnerId = winnerId;
+        WinnerName = winnerName;
+    }
+}