* Remove absolute URIs from admin page
The rest of the links on this page are absolute paths without a
specified hostname, but these in particlar use build_absolute_uri. I
am running linkding behind two different load balancers which makes
these links bubble up the "internal" hostname instead of the hostname
I actually got to the page from.
* Add LD_USE_X_FORWARDED_HOST
See: https://docs.djangoproject.com/en/6.0/ref/settings/#std-setting-USE_X_FORWARDED_HOST
* use client-side navigation
* update tests
* add setting for enabling link prefetching
* do not prefetch bookmark details
* theme progress bar
* cleanup behaviors
* update test
