bootstrap_storybook-8.x-2.0/src/kits/default/src/components/header/header.twig

{{ attach_library('BOOTSTRAP_STORYBOOK_SUBTHEME_MACHINE_NAME/header') }}

{% if page.header %}
  <header class="page__header mb-3">
    <div class="container">
      {{ page.header }}
    </div>
  </header>
{% endif %}