feat: client & server packet listener interfaces added

Shared/Network/LiteNetLib/LiteNetLibServer.cs

@@ -30,7 +30,7 @@ public class LiteNetLibServer : LiteNetLibCommunicatorBase, INetworkCommunicator
 
     public INetworkCommunicatorServer Start(int port, int maxConnectionCount, string? password = null)
     {
-        if (!IsInUniverse)
+        if (!UniverseObject.IsInUniverse)
             throw new($"{nameof(LiteNetLibServer)} must be in an universe to start");
 
         Password = password ?? string.Empty;