WebHook - Transform Url (#824)

* WebHook - Url

* .

src/WireMock.Net/Transformers/TransformModel.cs

@@ -0,0 +1,13 @@
+using System.Diagnostics.CodeAnalysis;
+
+namespace WireMock.Transformers;
+
+[SuppressMessage("ReSharper", "InconsistentNaming")]
+internal struct TransformModel
+{
+    public IMapping mapping { get; set; }
+
+    public IRequestMessage request { get; set; }
+
+    public IResponseMessage? response { get; set; }
+}