docs(rules): make rule list available as a csv

[gotbadger]

Description

Make the list of rules available as a csv

Checklist

• I've added test coverage that shows my fix or feature works as expected.
• I've updated or added documentation if required.
• I've included usage information in the description if CLI behavior was updated or added.
• PR title follows Conventional Commits format

[cfabianski]

Should we maybe protect this one behind a password/htaccess?

[gotbadger]

@cfabianski its all static public info