docs: function getUserCredentials() {
    return new Promise((resolve) => {
      print(clc.bold('Sign in to authorize this app to find open pull-requests'), true);
      gitUser.email((err, email) => {
        prompt.message = '';
        prompt.delimiter = '';
        prompt.start();
        prompt.get({
          properties: {
            username: {
              description: 'Github username',
              default: email,
              message: 'Name must be only letters, spaces, or dashes',
              required: true
            },
            password: {
              description: 'Github password',
              hidden: true
            }
          }
        }, (err, result) => {
          resolve(result);
        });
      });
    });
  }