4d3bca2262
add a hook to update the systemd dconf database during build https://help.gnome.org/admin/system-admin-guide/stable/dconf-custom-defaults.html.en https://help.gnome.org/admin/system-admin-guide/stable/dconf-keyfiles.html.en https://help.gnome.org/admin/system-admin-guide/stable/dconf-lockdown.html.en https://help.gnome.org/admin/system-admin-guide/stable/dconf-profiles.html.en Fixes #40