text: const authError = 'Authorization required. No auth!';
  const badRequest = 'Invalid Data';
  const deleteOK = 'Article successfully deleted!';
  const duplicate = 'A user already exist with this email!';
  const loginError = 'Incorrect email or password';
  const noSuchID = 'No resource with such ID';
  const noSuchUser = 'This User does not exist!';
  const notFound = 'Requested resource not found';
  const notOwner = 'Forbidden! You are not the owner.';
  const wrongEmail = 'Please enter a valid email or password';
  
  module.exports = {
    authError,
    badRequest,
    deleteOK,
    duplicate,
    loginError,
    notFound,
    noSuchID,
    noSuchUser,
    notOwner,
    wrongEmail
  };
  