* sops: init * add my gpg keys * sops: add @revol-xut key * add gpg pub key * update gpg keys * .sops.yaml: add marenz * sops: add secrets for traffix-stop-box-3 and 4 * build sops-install-secrets on hydra * sops: add keys for traffic-stop-box-{3,4} Co-authored-by: revol-xut <revol-xut@protonmail.com> Co-authored-by: Markus Schmidl <markus.schmidl@mailbox.tu-dresden.de>