Update Startup.cs

src/Web/WebSPA/Startup.cs

@@ -1,15 +1,18 @@
 using eShopOnContainers.WebSPA;
 using Microsoft.ApplicationInsights.Extensibility;
 using Microsoft.ApplicationInsights.ServiceFabric;
+using Microsoft.AspNetCore.Antiforgery;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.HealthChecks;
+using Microsoft.Extensions.Logging;
 using Newtonsoft.Json.Serialization;
 using StackExchange.Redis;
 using System;
+using System.IO;
 using WebSPA.Infrastructure;
 
 namespace eShopConContainers.WebSPA