passo_mobile_app/unit2/lib/utils/urls.dart

class Url{
  static final Url _instance = Url();
  static Url get instance => _instance;

  String host(){
  return '192.168.10.219:3000';
  }

  String authentication(){
    return '/api/account/auth/login/';
  }
  
  String apkUrl(){
    return "";
  }

}