Better messaging and better rule implementation

Room/Messages/JoinMessage.cs

@@ -1,21 +1,15 @@
-namespace MauMau_Server.Room.Messages;
+using MauMau_Server.Websockets;
+
+namespace MauMau_Server.Room.Messages;
 
 public class JoinMessage
 {
-    public Guid Id { get; set; }
-    public string ChatMessage { get; set; }
-    public string? Data { get; set; }
+    public List<ConnectionInstance> Connections { get; set; }
+    public ConnectionInstance NewConnection { get; set; }
     
-    public JoinMessage(Guid id, string chatMessage, string data)
+    public JoinMessage(List<ConnectionInstance> connections, ConnectionInstance newConnection)
     {
-        Id = id;
-        ChatMessage = chatMessage;
-        Data = data;
-    }
-    
-    public JoinMessage(Guid id, string chatMessage)
-    {
-        Id = id;
-        ChatMessage = chatMessage;
+        Connections = connections;
+        NewConnection = newConnection;
     }
 }