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.Minimal/ResponseBuilders/Response.WithWebSocket.cs

@@ -0,0 +1,48 @@
+// Copyright © WireMock.Net
+
+using WireMock.Settings;
+using WireMock.WebSockets;
+
+namespace WireMock.ResponseBuilders;
+
+public partial class Response
+{
+    /// <summary>
+    /// Internal property to store WebSocket builder configuration
+    /// </summary>
+    internal WebSocketBuilder? WebSocketBuilder { get; set; }
+
+    /// <summary>
+    /// Configure WebSocket response behavior
+    /// </summary>
+    public IResponseBuilder WithWebSocket(Action<IWebSocketBuilder> configure)
+    {
+        var builder = new WebSocketBuilder(this);
+        configure(builder);
+
+        WebSocketBuilder = builder;
+        
+        return this;
+    }
+
+    /// <summary>
+    /// Proxy WebSocket to another server
+    /// </summary>
+    public IResponseBuilder WithWebSocketProxy(string targetUrl)
+    {
+        return WithWebSocketProxy(new ProxyAndRecordSettings { Url = targetUrl });
+    }
+
+    /// <summary>
+    /// Proxy WebSocket to another server with settings
+    /// </summary>
+    public IResponseBuilder WithWebSocketProxy(ProxyAndRecordSettings settings)
+    {
+        var builder = new WebSocketBuilder(this);
+        builder.WithProxy(settings);
+
+        WebSocketBuilder = builder;
+        
+        return this;
+    }
+}