feat: new graphql query

WotBlitzStatisticsPro.GraphQl/Query/VehiclesQuery.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using HotChocolate.Types;
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.Logic;
+
+namespace WotBlitzStatisticsPro.GraphQl.Query
+{
+    [ExtendObjectType(Name = "Query")]
+    public class VehiclesQuery
+    {
+        /// <summary>
+        /// Returns a list of all vehicles of one nation
+        /// </summary>
+        /// <param name="nationId">Nation</param>
+        /// <param name="language">Request language</param>
+        /// <returns>A list of vehicles</returns>
+        public async Task<List<VehicleResponse>> GetVehicles(string nationId, RequestLanguage? language)
+        {
+            return new List<VehicleResponse>();
+        }
+    }
+}