feat: basic pong manager networking added

Shared/GamePong.cs

@@ -16,18 +16,6 @@ using Syntriax.Engine.Physics2D;
 
 namespace Pong;
 
-[System.Serializable]
-public class TestMessagePacket : INetworkPacket, LiteNetLib.Utils.INetSerializable
-{
-    public string Message { get; set; }
-
-    public void Deserialize(LiteNetLib.Utils.NetDataReader reader) => Message = reader.GetString();
-    public void Serialize(LiteNetLib.Utils.NetDataWriter writer) => writer.Put(Message);
-
-    public TestMessagePacket() => Message = "Default Message";
-    public TestMessagePacket(string Message) => this.Message = Message;
-}
-
 public class GamePong : Game
 {
     private readonly IUniverseObject platformSpecificUniverseObject = null!;