Added reference project

ref/Net/WebSockets/IWebSocketEngine.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Discord.Net.WebSockets
+{
+	public interface IWebSocketEngine
+	{
+		event EventHandler<BinaryMessageEventArgs> BinaryMessage;
+		event EventHandler<TextMessageEventArgs> TextMessage;
+
+		Task Connect(string host, CancellationToken cancelToken);
+		Task Disconnect();
+		void QueueMessage(string message);
+		IEnumerable<Task> GetTasks(CancellationToken cancelToken);
+	}
+}