modules/a1d2/backups.nix

{
  users.users.backups.openssh.authorizedKeys.keys = [
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH6QDSKMR9x7/thx3CpX8uZ2jP/HEbX5g+QyZ6YeUQ0M a1d2@chickadee"
  ];
}