Feature/admin (#831)

* fix redirect to login for admin page
fix logout

* add admin part url

Co-authored-by: cedri <cedri@BAS>

src/Web/Areas/Identity/Pages/Account/Logout.cshtml.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Linq;
-using System.Security.Claims;
-using System.Threading.Tasks;
+using System.Security.Claims;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authentication.Cookies;
 using Microsoft.AspNetCore.Identity;
@@ -10,7 +7,6 @@ using Microsoft.AspNetCore.Mvc.RazorPages;
 using Microsoft.eShopWeb.Infrastructure.Identity;
 using Microsoft.eShopWeb.Web.Configuration;
 using Microsoft.Extensions.Caching.Memory;
-using Microsoft.Extensions.Logging;
 
 namespace Microsoft.eShopWeb.Web.Areas.Identity.Pages.Account;