old_contents: NEW_YORK_TIMES_API_KEYS = {
      'TOP_STORIES' : 'NYT_TOP_STORIES_KEY'
  }
  
new_contents: NEW_YORK_TIMES_API_KEYS = {
      'TOP_STORIES' : 'top-stories-value'
  }
  
  TWITTER_API_KEYS = {
      'API_KEY' : 'api-key-value'
      'API_SECRET' : 'api-secret-value'
      'ACCESS_TOKEN' : 'access-token-value'
      'ACCESS_SECRET' : 'access-secret-value'
  }
  
subject: Add Twitter API keys