code: def add_tag_to_job(user, job_id):
      
  
      job = v1_utils.verify_existence_and_get(job_id, _TABLE)
      if not user.is_in_team(job['team_id']):
          raise dci_exc.Unauthorized()
  
      values = {
          'job_id': job_id
      }
  
      job_tagged = tags.add_tag_to_resource(values, models.JOIN_JOBS_TAGS)
  
      return flask.Response(json.dumps(job_tagged), 201,
                            content_type='application/json')
docs: Add a tag to a job.