new_contents: """
  configuration
  """
  
  ADSWS_API_URL = 'https://api.adsabs.harvard.edu/v1'
  SEARCH_URL = '{}/search/query/'.format(ADSWS_API_URL)
  BIGQUERY_URL = '{}/search/bigquery/'.format(ADSWS_API_URL)
  METRICS_URL = '{}/metrics/'.format(ADSWS_API_URL)
  EXPORT_URL = '{}/export/'.format(ADSWS_API_URL)
  
subject: add URL config