Add a cookbook and publicly visible scaladoc for prefix, noPrefix (backport #2687) (#2689)

* Add a cookbook and publicly visible scaladoc for prefix, noPrefix (#2687)

* Add a cookbook and publicly visible scaladoc for prefix, noPrefix

(cherry picked from commit ae7dc30b

)

# Conflicts:
#	docs/src/cookbooks/naming.md

* fix backport conflict

* Update docs/src/cookbooks/naming.md

* Update docs/src/cookbooks/naming.md

Co-authored-by: Megan Wachs <megan@sifive.com>
Co-authored-by: Jack Koenig <koenig@sifive.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>