code: def add_job(self, raw_host, job_name):
          
          url_host_map = dict(((host_dict.get('url', host_name).rstrip('/'), host_name)
                               for host_name, host_dict in self._config_dict.items()))
  
          if raw_host in self._config_dict:
              host_url = self._config_dict[raw_host].get('url', raw_host)
              host = raw_host
          elif raw_host in url_host_map:
              host_url = raw_host
              host = url_host_map[raw_host]
          else:
              host_url, host = raw_host, raw_host
  
          if host not in self._config_dict:
              self._config_dict[host] = {
                  'url': host_url,
                  'jobs': []
              }
          if 'jobs' not in self._config_dict[host]:
              self._config_dict[host]['jobs'] = []
          self._config_dict[host]['jobs'].append(job_name)
          self._add_job(host, job_name, host_url=host_url)
docs: add a job to the config with <host> and <job_name>