Ability to put items on leftside of top bar

[MattDodsonEnglish]

For large documentation sites, it can be helpful to add an additional level of hierarchy (above that expressed in a side menu).

While the current hextra topbar supports adding items to the right side, I worry that readers could overlook important information, as scanning from the topleft corner is a well-observed pattern among readers of LtR languages on the web.¹

Here's a crude demo of what I mean:

An example of a similar structure in the wild:

Footnotes

1. https://www.nngroup.com/articles/f-shaped-pattern-reading-web-content/ ↩