Add .well-known/security.txt
See https://www.rfc-editor.org/rfc/rfc9116
Suggested content:
Contact: mailto:jshelter@gnu.org Expires: 2032-12-31T22:59:59.000Z Preferred-Languages: en, cs, it, sk
fix committed to the website branch, see #84
Metadata Update from @rlafuente: - Issue close_status updated to: Fixed - Issue status updated to: Closed (was: Open)