hugo-theme-hello-friend/layouts/partials/footer.html

<footer class="footer">
  <div class="footer__inner">
    {{ if $.Site.Copyright }}
      <div class="copyright copyright--user">{{ $.Site.Copyright | safeHTML }}</div>
      {{ else }}
      {{ partial "logo.html" . }}
      <div class="copyright">
        <span>© {{ now.Year }} Powered by <a href="https://gohugo.io" target="_blank" rel="noopener">Hugo</a></span>
        <span>:: <a href="https://github.com/panr/hugo-theme-hello-friend" target="_blank">Theme</a> made by <a href="https://github.com/panr" target="_blank">panr</a></span>
      </div>
    {{ end }}
  </div>
</footer>

{{ $menu := resources.Get "js/menu.js" | js.Build }}
{{ $prism := resources.Get "js/prism.js" | js.Build }}
{{ $theme := resources.Get "js/theme.js" | js.Build }}
{{ $bundle := slice $menu $prism $theme | resources.Concat "bundle.js" | resources.Minify }}
<script type="text/javascript" src="{{ $bundle.RelPermalink }}"></script>

{{- partial "extended_footer.html" . }}