Create WireMock.Net.MimePart project (#1300)

* Create WireMock.Net.MimePart project

* .

* REFACTOR

* ILRepack

* --

* ...

* x

* x

* .

* fix

* public class MimePartMatcher

* shared

* min

* .

* <!--<DelaySign>true</DelaySign>-->

* Update README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

src/WireMock.Net.Minimal/Owin/Mappers/IOwinRequestMapper.cs

@@ -0,0 +1,25 @@
+// Copyright © WireMock.Net
+
+using System.Threading.Tasks;
+#if !USE_ASPNETCORE
+using IRequest = Microsoft.Owin.IOwinRequest;
+#else
+using IRequest = Microsoft.AspNetCore.Http.HttpRequest;
+#endif
+
+namespace WireMock.Owin.Mappers
+{
+    /// <summary>
+    /// IOwinRequestMapper
+    /// </summary>
+    internal interface IOwinRequestMapper
+    {
+        /// <summary>
+        /// MapAsync IRequest to RequestMessage
+        /// </summary>
+        /// <param name="request">The OwinRequest/HttpRequest</param>
+        /// <param name="options">The WireMockMiddlewareOptions</param>
+        /// <returns>RequestMessage</returns>
+        Task<RequestMessage> MapAsync(IRequest request, IWireMockMiddlewareOptions options);
+    }
+}