Add Grpc ProtoBuf support (request-response) (#1047)

* ProtoBuf

* .

* x

* ---

* x

* fx

* ...

* sc

* ...

* .

* groen

* x

* fix tests

* ok!?

* fix tests

* fix tests

* !

* x

* 6

* .

* x

* ivaluematcher

* transformer

* .

* sc

* .

* mapping

* x

* tra

* com

* ...

* .

* .

* .

* AddProtoDefinition

* .

* set

* grpahj

* .

* .

* IdOrText

* ...

* async

* async2

* .

* t

* nuget

* <PackageReference Include="ProtoBufJsonConverter" Version="0.2.0-preview-04" />

* http version

* tests

* .WithHttpVersion("2")

* <PackageReference Include="ProtoBufJsonConverter" Version="0.2.0" />

* HttpVersionParser

src/WireMock.Net/Server/IRespondWithAProvider.cs

@@ -184,4 +184,21 @@ public interface IRespondWithAProvider
     /// <param name="probability">The probability when this request should be matched. Value is between 0 and 1.</param>
     /// <returns>The <see cref="IRespondWithAProvider"/>.</returns>
     IRespondWithAProvider WithProbability(double probability);
+
+    /// <summary>
+    /// Define a Grpc ProtoDefinition which is used for the request and the response.
+    /// This can be a ProtoDefinition as a string, or an id when the ProtoDefinitions are defined at the WireMockServer.
+    /// </summary>
+    /// <param name="protoDefinitionOrId">The proto definition as text or as id.</param>
+    /// <returns>The <see cref="IRespondWithAProvider"/>.</returns>
+    IRespondWithAProvider WithProtoDefinition(string protoDefinitionOrId);
+
+    /// <summary>
+    /// Define a GraphQL Schema which is used for the request and the response.
+    /// This can be a GraphQL Schema as a string, or an id when the GraphQL Schema are defined at the WireMockServer.
+    /// </summary>
+    /// <param name="graphQLSchemaOrId">The GraphQL Schema as text or as id.</param>
+    /// <param name="customScalars">A dictionary defining the custom scalars used in this schema. [optional]</param>
+    /// <returns>The <see cref="IRespondWithAProvider"/>.</returns>
+    IRespondWithAProvider WithGraphQLSchema(string graphQLSchemaOrId, IDictionary<string, Type>? customScalars = null);
 }