docs: def add_tags(self, archive_name, tags):
          '''
          Add tags to an archive
  
          Parameters
          ----------
          archive_name:s tr
              Name of archive
  
          tags: list or tuple of strings
              tags to add to the archive
  
          '''
          updated_tag_list = list(self._get_tags(archive_name))
          for tag in tags:
              if tag not in updated_tag_list:
                  updated_tag_list.append(tag)
  
          self._set_tags(archive_name, updated_tag_list)