Admin page (#324)

* Updates based on documentation

* Getting the build passing

* Getting app functioning

* A few cleanups to confirm it's working as expected

* Fixing functional tests

* Updating dockerfile for 3.0

* Functional Tests now run sequentially

* Updating to latest version of moq

* Adding migration for post 3.0 upgrades

* Removing commented out lines

* Moving address and catalogitemordered configuration in to classes that own them

* Adding admin user

* Adding admin catalog screen

- will also only display menu option if user is logged in as an admin

* WIP - squash this

* Allow user to edit a catalog item

* Adding entry for new service

* Invalidating cache after catalog item update

- also a little bit of cleanup

* Fixing bad merge

* Removing Picture Uri and making Id readonly

* Adjusting style in menu dropdown so all options are shown

* Creating Cache helpers with unit tests

src/Web/Program.cs

@@ -27,7 +27,8 @@ namespace Microsoft.eShopWeb.Web
                     await CatalogContextSeed.SeedAsync(catalogContext, loggerFactory);
 
                     var userManager = services.GetRequiredService<UserManager<ApplicationUser>>();
-                    await AppIdentityDbContextSeed.SeedAsync(userManager);
+                    var roleManager = services.GetRequiredService<RoleManager<IdentityRole>>();
+                    await AppIdentityDbContextSeed.SeedAsync(userManager, roleManager);
                 }
                 catch (Exception ex)
                 {