antora/supplemental-ui/partials/footer-scripts.hbs

<script src="{{{uiRootPath}}}/js/site.js"></script>
<script async src="{{{uiRootPath}}}/js/vendor/highlight.js"></script>
<script src="{{{uiRootPath}}}/js/tabsBehavior.js"></script>
{{#if env.SITE_SEARCH_PROVIDER}}
{{> search-scripts}}
{{/if}}