Add AnchorJS to aid with linking to page fragments

After trying to manually create a link to a page section for the nth time, I finally scratched that itch and added AnchorJS to provide the links for us. This greatly simplifies the process for linking to sections of pages, especially useful for those not versed in digging around in the page source.

Signed-off-by: default avatarMartyn Welch martyn.welch@collabora.com

themes/beautifulhugo/layouts/partials/footer_custom.html

-<!--
-If you want to include any custom html just before </body>, put it in /layouts/footer_custom.html
-Do not put anything in this file - it's only here so that hugo won't throw an error if /layouts/footer_custom.html doesn't exist.
--->
\ No newline at end of file
+<script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/4.2.2/anchor.min.js"></script>
+<script>
+anchors.add('h1,h2,h3,h4,h5,h6');
+</script>