Merge pull request 'Added a redirect packet attachment to UI signout process' (#75) from payments into master

Reviewed-on: #75

LiteCharms.Features/Extensions/Api.cs

@@ -41,6 +41,16 @@ public static class Api
             options.Scope.Add("openid");
             options.Scope.Add("profile");
             options.Scope.Add("email");
+
+            options.Events = new OpenIdConnectEvents
+            {
+                OnRedirectToIdentityProviderForSignOut = context =>
+                {
+                    context.ProtocolMessage.PostLogoutRedirectUri = context.Properties.RedirectUri;
+
+                    return Task.CompletedTask;
+                },
+            };
         });
 
         return services;