code: def run_add_system(name, token, org, system, prompt):
      
      repo = get_repo(token=token, org=org, name=name)
      try:
          repo.create_label(name=system.strip(), color=SYSTEM_LABEL_COLOR)
          click.secho("Successfully added new system {}".format(system), fg="green")
          if prompt and click.confirm("Run update to re-generate the page?"):
              run_update(name=name, token=token, org=org)
      except GithubException as e:
          if e.status == 422:
              click.secho(
                  "Unable to add new system {}, it already exists.".format(system), fg="yellow")
              return
          raise
docs: Adds a new system to the repo.