Add new package WireMock.Net.Extensions.Routing which provides minimal-API-style routing for WireMock.Net (#1344)

* Add new package WireMock.Net.Extensions.Routing

* Update documentation for WireMock.Net.Extensions.Routing

* Cleanup imports

* Add header to all source files inside WireMock.Net.Extensions.Routing

* Add header to all source files inside WireMock.Net.Extensions.Routing.Tests

* Revert unintended changes

* Remove redundant build configurations

* Remove incorrect links from documentation

* Update nuget package references

* Revert unintended changes

* Migrate to AwesomeAssertions

* Remove redundant project reference

* Adjust formatting

* Migrate to primary constructor

* Refactoring: rename delegate parameter

* Abstract over JSON converter

* Replace WireMock with WireMock.Net in comments

* Move local functions to the bottom of the methods

src/WireMock.Net.Extensions.Routing/Extensions/HttpResponseExtensions.cs

@@ -0,0 +1,34 @@
+// Copyright © WireMock.Net
+
+using Microsoft.AspNetCore.Http;
+using WireMock.Types;
+using WireMock.Util;
+
+namespace WireMock.Net.Extensions.Routing.Extensions;
+
+internal static class HttpResponseExtensions
+{
+    public static async Task<ResponseMessage> ToResponseMessageAsync(
+        this HttpResponse response)
+    {
+        var headers = response.Headers.ToDictionary(
+            header => header.Key, header => new WireMockList<string?>(header.Value.ToArray()));
+        return new()
+        {
+            Headers = headers!,
+            BodyData = new BodyData
+            {
+                DetectedBodyType = BodyType.String,
+                BodyAsString = await response.ReadBodyAsStringAsync(),
+            },
+            StatusCode = response.StatusCode,
+        };
+    }
+
+    public static async Task<string> ReadBodyAsStringAsync(this HttpResponse response)
+    {
+        response.Body.Seek(0, SeekOrigin.Begin);
+        using var reader = new StreamReader(response.Body);
+        return await reader.ReadToEndAsync();
+    }
+}