Extended sak documentation code to generate more custom TOCs.
Regenerated index and toc information for embedded.
Added a 3rd custom TOC, categories only
Fixed more state bleed-over breaking index links in xref. Fixed navbar markup (separators). Added handling of additional custom TOCs for the navbar.
Added the custom TOCs to the embedded docs and switched to relative home, now that dtplite does it right.
Regenerated embedded for testing from server.
Fix home path
Fixed missing dtplite doc pages