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/WebSockets/IWebSocketMessageConditionBuilder.cs

@@ -0,0 +1,25 @@
+// Copyright © WireMock.Net
+
+using JetBrains.Annotations;
+
+namespace WireMock.WebSockets;
+
+/// <summary>
+/// WebSocket Message Condition Builder interface for building conditional message responses
+/// </summary>
+public interface IWebSocketMessageConditionBuilder
+{
+    /// <summary>
+    /// Configure and send a message when the condition matches
+    /// </summary>
+    /// <param name="configure">Action to configure the message</param>
+    [PublicAPI]
+    IWebSocketBuilder SendMessage(Action<IWebSocketMessageBuilder> configure);
+
+    /// <summary>
+    /// Configure and send multiple messages when the condition matches
+    /// </summary>
+    /// <param name="configure">Action to configure the messages</param>
+    [PublicAPI]
+    IWebSocketBuilder SendMessages(Action<IWebSocketMessagesBuilder> configure);
+}