use Helpers

Yavsc/Views/_ViewImports.cshtml

@@ -7,6 +7,7 @@
 @using Microsoft.Extensions.OptionsModel;
 @using System.Web.Optimization;
 @using Yavsc;
+@using Yavsc.Helpers;
 @using Yavsc.Models;
 @using Yavsc.Models.Google;
 @using Yavsc.Models.Booking;