tbd; depends on T264079: Identify and define key docs (top-level places linked from portal).

• clarity of structure within page
  • breakdown / merge with / redirect to other pages? delist?
• correctness of page
• completeness (examples? tutorials? installation info? contact info? common Template boxes? etc)
• responsible steward / owner

Might welcome improved guidelines / best practice templates for for writing developer-oriented docs and certain types of pages (e.g. Extension: page vs Help: vs Manual: page; sections ("Installation", "Contact" etc); Epic - https://www.mediawiki.org/wiki/Documentation may have links to such info already in some subdoc...