routeroutletpages.dart

  @override
  final List<ModularRoute> routes = [
  ...
    ChildRoute('/start', child: (_, args) => StartPage(), children: [
      ModuleRoute('/home', module: HomeModule()),
      ChildRoute('/config', child: (_, args) => ConfigPage()),
      ChildRoute('/perfil', child: (_, args) => PerfilPage()),
    ]),
  ];