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/Matchers/MatchBehaviourHelper.cs

@@ -0,0 +1,41 @@
+// Copyright © WireMock.Net
+
+namespace WireMock.Matchers;
+
+/// <summary>
+/// MatchBehaviourHelper
+/// </summary>
+internal static class MatchBehaviourHelper
+{
+    /// <summary>
+    /// Converts the specified match behaviour and match value to a new match value.
+    /// 
+    /// if AcceptOnMatch --> return match (default)
+    /// if RejectOnMatch and match = 0.0 --> return 1.0
+    /// if RejectOnMatch and match = 0.? --> return 0.0
+    /// if RejectOnMatch and match = 1.0 --> return 0.0
+    /// </summary>
+    /// <param name="matchBehaviour">The match behaviour.</param>
+    /// <param name="match">The match.</param>
+    /// <returns>match value</returns>
+    internal static double Convert(MatchBehaviour matchBehaviour, double match)
+    {
+        if (matchBehaviour == MatchBehaviour.AcceptOnMatch)
+        {
+            return match;
+        }
+
+        return match <= MatchScores.Tolerance ? MatchScores.Perfect : MatchScores.Mismatch;
+    }
+
+    /// <summary>
+    /// Converts the specified match behaviour and match result to a new match result value.
+    /// </summary>
+    /// <param name="matchBehaviour">The match behaviour.</param>
+    /// <param name="result">The match result.</param>
+    /// <returns>match result</returns>
+    internal static MatchResult Convert(MatchBehaviour matchBehaviour, MatchResult result)
+    {
+        return matchBehaviour == MatchBehaviour.AcceptOnMatch ? result : new MatchResult(Convert(matchBehaviour, result.Score), result.Exception);
+    }
+}