firefox:
  addons:
    FoxyProxy Standard: https://addons.mozilla.org/firefox/downloads/latest/foxyproxy-standard/
    KeePassXC-Browser: https://addons.mozilla.org/firefox/downloads/latest/keepassxc-browser/
    GNOME Shell integration: https://addons.mozilla.org/firefox/downloads/latest/gnome-shell-integration/