Add FAQ to documentation menu. Clean up wording.

[mark_freebsdfoundation.org]

Summary

gperrin:
https://mastodon.social/@[e-mail]/116769705447755941

It's a good point and I see merit in making the change. prettier has
wrapped some of the lines for readability, the changes are easy to spot
under the documentation menu though.

Reported by: gperrin
Sponsored by: FreeBSD Foundation

[mark_freebsdfoundation.org]

Thanks for reviewing @carlavilla 👍 Could you land it for me too please? Gracias!

[mark_freebsdfoundation.org]

Hello @carlavilla — is there anything/anybody we're waiting on to drop this? Thanks!