// Uncomment the following lines to enable logging in with third party login providers
//app.UseMicrosoftAccountAuthentication(
//    clientId: "",
//    clientSecret: "");

//app.UseTwitterAuthentication(
//   consumerKey: "",
//   consumerSecret: "");

//app.UseFacebookAuthentication(
//   appId: "",
//   appSecret: "");

//app.UseGoogleAuthentication();