Add visual tracking for page progress (i've currently set it to set the link as "visited" if the section is more than 60% up the page, this can be tweaked p easily)
I hooked into the header partial & the tablecontents mixin for this so it should work for any page using the same header/tablecontents system
I made the sidebar sticky cause it doesn't seem to make sense for it to scroll. The solution I used is a bit hacky but should be fine for a project this small
dependent on ----> https://github.com/Sanity-Gone/SanityGone/pull/3