[3.10] gh-90016: Reword sqlite3 adapter/converter docs (GH-93095) (#94273)

Also add adapters and converter recipes.

Co-authored-by: CAM Gerlach <CAM.Gerlach@Gerlach.CAM>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com.
(cherry picked from commit bd3c1c187e0e4fde5aec6835d180e9eddde8ceb6)