People still ignore adding layouts to builtins and to tests. To unbury that information, and add a sort of checklist, the more interesting info has been moved upwards nd together.
Promoted bolded "headings" into actual headings, so that they can be linked to.
Create docs, based on Sphinx with Commonmark, seeding it with https://forums.puri.sm/t/translations-and-virtual-touch-keyboards-tracking-localization/7669/48?u=dcz