Create WireMock.Net.ProtoBuf project (#1350)

* Create WireMock.Net.ProtoBuf project

* ok

* Update Directory.Build.props

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

---------

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

src/WireMock.Net.Shared/Settings/ProxySaveMappingSettings.cs

@@ -0,0 +1,24 @@
+// Copyright © WireMock.Net
+
+using JetBrains.Annotations;
+
+namespace WireMock.Settings;
+
+/// <summary>
+/// ProxySaveMappingSettings
+/// </summary>
+public class ProxySaveMappingSettings
+{
+    /// <summary>
+    /// Only save request/response to the internal Mappings if the status code is included in this pattern. (Note that SaveMapping must also be set to true.)
+    /// The pattern can contain a single value like "200", but also ranges like "2xx", "100,300,600" or "100-299,6xx" are supported.
+    /// </summary>
+    [PublicAPI]
+    public ProxySaveMappingSetting<string>? StatusCodePattern { get; set; } = "*";
+
+    /// <summary>
+    /// Only save these Http Methods. (Note that SaveMapping must also be set to true.)
+    /// </summary>
+    [PublicAPI]
+    public ProxySaveMappingSetting<string[]>? HttpMethods { get; set; }
+}