Fab that would be amazing!
If you would like to join us on Slack (Mautic Community On Slack) in #t-education that is where we coordinate all things docs.
The repo behind the new dev docs is here: GitHub - mautic/developer-documentation-new: New developer documentation on Read the Docs - please check this issue: Goals of the new developer documentation · Issue #2 · mautic/developer-documentation-new · GitHub and if you would like to take on a certain section please ping in that issue!