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/Models/GraphQLSchemaDetails.cs

@@ -0,0 +1,62 @@
+// Copyright © WireMock.Net
+
+using System;
+using System.Collections.Generic;
+using AnyOfTypes;
+using Newtonsoft.Json;
+using WireMock.Models.GraphQL;
+
+namespace WireMock.Models;
+
+/// <summary>
+/// GraphQLSchemaDetails
+/// </summary>
+public class GraphQLSchemaDetails
+{
+    /// <summary>
+    /// The GraphQL schema as a string.
+    /// </summary>
+    public string? SchemaAsString { get; set; }
+
+    /// <summary>
+    /// The GraphQL schema as a StringPattern.
+    /// </summary>
+    public StringPattern? SchemaAsStringPattern { get; set; }
+
+    /// <summary>
+    /// The GraphQL schema as a <seealso cref="ISchemaData"/>.
+    /// </summary>
+    public ISchemaData? SchemaAsISchemaData { get; set; }
+
+    /// <summary>
+    /// The GraphQL Schema.
+    /// </summary>
+    [JsonIgnore]
+    public AnyOf<string, StringPattern, ISchemaData>? Schema
+    {
+        get
+        {
+            if (SchemaAsString != null)
+            {
+                return SchemaAsString;
+            }
+
+            if (SchemaAsStringPattern != null)
+            {
+                return SchemaAsStringPattern;
+            }
+
+            if (SchemaAsISchemaData != null)
+            {
+                return new AnyOf<string, StringPattern, ISchemaData>(SchemaAsISchemaData);
+            }
+
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// The custom Scalars to define for this schema.
+    /// </summary>
+    public IDictionary<string, Type>? CustomScalars { get; set; }
+}