render() {
    return (
      <table className="table">
        <tbody>
          {Object.keys(templates).map(function (template_name) {
            return (
              <tr key={template_name}>
                <tr>
                  <td>
                    <b>Template: {template_name}</b>
                  </td>
                </tr>
                {templates[template_name].items.map(function (item) {
                  return (
                    <tr key={item.id}>
                      <td>{item}</td>
                    </tr>
                  );
                })}
              </tr>
            );
          })}
        </tbody>
      </table>
    );
  }
}