feat: prolong token mutation added

WotBlitzStatisticsPro.GraphQl/Mutation/WargamingAuthMutation.cs

@@ -0,0 +1,29 @@
+using HotChocolate.Types;
+using System.Threading.Tasks;
+using WotBlitzStatisticsPro.Common.Model;
+using WotBlitzStatisticsPro.WgApiClient;
+
+namespace WotBlitzStatisticsPro.GraphQl.Mutation
+{
+    [ExtendObjectType(Name = "Mutation")]
+    public class WargamingAuthMutation
+    {
+        private readonly IWargamingAuthenticationClient _wargamingAuthenticationClient;
+
+        public WargamingAuthMutation(IWargamingAuthenticationClient wargamingAuthenticationClient)
+        {
+            _wargamingAuthenticationClient = wargamingAuthenticationClient;
+        }
+
+        /// <summary>
+        /// Prolongates Wargaming authentication token
+        /// </summary>
+        /// <param name="realm">Wargaming realm</param>
+        /// <param name="oldToken">Old token to prolongate</param>
+        /// <returns></returns>
+        public Task<WargamingProlongInfo> ProlongAuthToken(RealmType realm, string oldToken)
+        {
+            return _wargamingAuthenticationClient.ProlongAuthToken(realm, oldToken);
+        }
+    }
+}