Add WebSockets (#1423)

* Add WebSockets

* Add tests

* fix

* more tests

* Add tests

* ...

* remove IOwin

* -

* tests

* fluent

* ok

* match

* .

* byte[]

* x

* func

* func

* byte

* trans

* ...

* frameworks.........

* jmes

* xxx

* sc

src/WireMock.Net.Shared/ResponseBuilders/IWebSocketResponseBuilder.cs

@@ -0,0 +1,29 @@
+// Copyright © WireMock.Net
+
+using System;
+using WireMock.ResponseProviders;
+using WireMock.Settings;
+using WireMock.WebSockets;
+
+namespace WireMock.ResponseBuilders;
+
+/// <summary>
+/// The WebSocketResponseBuilder interface.
+/// </summary>
+public interface IWebSocketResponseBuilder : IResponseProvider
+{
+    /// <summary>
+    /// Configure WebSocket response behavior
+    /// </summary>
+    IResponseBuilder WithWebSocket(Action<IWebSocketBuilder> configure);
+
+    /// <summary>
+    /// Proxy WebSocket to another server
+    /// </summary>
+    IResponseBuilder WithWebSocketProxy(string targetUrl);
+
+    /// <summary>
+    /// Proxy WebSocket to another server with settings
+    /// </summary>
+    IResponseBuilder WithWebSocketProxy(ProxyAndRecordSettings settings);
+}