Documentation presentation (navigation)

The documentation is quite extensive, but I sometimes have troubles navigating it (on-line) and searching through it.
My suggestion is to make a readthedocs - style navigation menu (always visible) so it is clear in which section you are, and also makes navigation more easy


Perhaps even provide a “many-html” version rather the “single-html”.

That was attempted in but it got stuck on some performance issues.

You might be interested in Welcome to the NixOS documentation! — NixOS Manual documentation :wink:
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