contrib/lego/jarl-lego.sh turns lego's "present|cleanup FQDN VALUE" calls
into jarl acme set|unset --exact, so lego (and CNAME delegation to a
dedicated ACME zone) works with Jarl. docs/acme.md explains the setup.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
