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.Shared/Serialization/JsonSerializationConstants.cs

@@ -0,0 +1,36 @@
+// Copyright © WireMock.Net
+
+using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
+
+namespace WireMock.Serialization;
+
+internal static class JsonSerializationConstants
+{
+    public static readonly JsonSerializerSettings JsonSerializerSettingsDefault = new()
+    {
+        Formatting = Formatting.Indented,
+        NullValueHandling = NullValueHandling.Ignore
+    };
+
+    public static readonly JsonSerializerSettings JsonSerializerSettingsIncludeNullValues = new()
+    {
+        Formatting = Formatting.Indented,
+        NullValueHandling = NullValueHandling.Include
+    };
+
+    public static readonly JsonSerializerSettings JsonDeserializerSettingsWithDateParsingNone = new()
+    {
+        DateParseHandling = DateParseHandling.None
+    };
+
+    public static readonly JsonSerializerSettings JsonSerializerSettingsPact = new()
+    {
+        Formatting = Formatting.Indented,
+        NullValueHandling = NullValueHandling.Ignore,
+        ContractResolver = new DefaultContractResolver
+        {
+            NamingStrategy = new CamelCaseNamingStrategy()
+        }
+    };
+}