Thunderbird (week always starts today)

systemd.services.thunderbird-update-week = {
  enable = true;
  description = "Update Thunderbird week preference to current day";
  unitConfig = {
    Type = "simple";
  };
  serviceConfig = {
    ExecStart = "${pkgs.bash}/bin/bash /home/insert/.local/share/thunderbird-update.sh";
    User = "insert";
    Group = "users";
  };
  wantedBy = [ "timers.target" ];
};

systemd.timers.thunderbird-update-week = {
  timerConfig = {
    OnCalendar = "daily";
    Persistent = true;
    Unit = "thunderbird-update-week.service";
  };
};