Add JsonPartialWildcardMatcher (#667)

* JsonPartialWildcardMatcher

* .

* more tests

src/WireMock.Net/Matchers/JsonPartialWildCardMatcher.cs

@@ -0,0 +1,38 @@
+using JetBrains.Annotations;
+
+namespace WireMock.Matchers
+{
+    /// <summary>
+    /// JsonPartialWildCardMatcher
+    /// </summary>
+    public class JsonPartialWildcardMatcher : AbstractJsonPartialMatcher
+    {
+        /// <inheritdoc />
+        public override string Name => nameof(JsonPartialWildcardMatcher);
+
+        /// <inheritdoc />
+        public JsonPartialWildcardMatcher([NotNull] string value, bool ignoreCase = false, bool throwException = false)
+            : base(value, ignoreCase, throwException)
+        {
+        }
+
+        /// <inheritdoc />
+        public JsonPartialWildcardMatcher([NotNull] object value, bool ignoreCase = false, bool throwException = false)
+            : base(value, ignoreCase, throwException)
+        {
+        }
+
+        /// <inheritdoc />
+        public JsonPartialWildcardMatcher(MatchBehaviour matchBehaviour, [NotNull] object value, bool ignoreCase = false, bool throwException = false)
+            : base(matchBehaviour, value, ignoreCase, throwException)
+        {
+        }
+
+        /// <inheritdoc />
+        protected override bool IsMatch(string value, string input)
+        {
+            var wildcardStringMatcher = new WildcardMatcher(MatchBehaviour.AcceptOnMatch, value, IgnoreCase);
+            return MatchScores.IsPerfect(wildcardStringMatcher.IsMatch(input));
+        }
+    }
+}