new_contents: from comics.aggregator.crawler import CrawlerBase, CrawlerImage
  from comics.core.comic_data import ComicDataBase
  
  
  class ComicData(ComicDataBase):
      name = "Hjalmar (bt.no)"
      language = "no"
      url = "https://www.bt.no/kultur/tegneserier/"
      rights = "Nils Axle Kanten"
  
  
  class Crawler(CrawlerBase):
      history_capable_date = "2013-01-15"
      schedule = "Mo,Tu,We,Th,Fr,Sa,Su"
  
      def crawl(self, pub_date):
          url = "https://cartoon-prod.schibsted.tech/rocky/%s.gif" % (
              pub_date.strftime("%d%m%y"),
          )
          return CrawlerImage(url)
  
subject: Add crawler for "Hjalmar" from bt.no