feat: prolong token mutation added

WotBlitzStatisticsPro.WgApiClient/Model/WotAuthProlongateResponse.cs

@@ -0,0 +1,16 @@
+using Newtonsoft.Json;
+
+namespace WotBlitzStatisticsPro.WgApiClient.Model
+{
+    public class WotAuthProlongateResponse
+    {
+		[JsonProperty("access_token")]
+		public string AccessToken { get; set; } = string.Empty;
+
+		[JsonProperty("account_id")]
+		public long AccountId { get; set; }
+
+		[JsonProperty("expires_at")]
+		public int ExpirationTimeStamp { get; set; }
+	}
+}