Usage:
  See ./fll --help

Quickstart:
  1) sudo apt install python3-apt python3-configobj gdisk xorriso \
         cdebootstrap squashfs-tools git apt-cacher-ng auto-apt-proxy
  2) git clone https://github.com/fullstory/pyfll.git
  3) cd pyfll && cp fll.conf fll.local.conf
  4) editor fll.local.conf
  5) ./fll -c fll.local.conf -b /tmp/fll/

Dependencies:
  python (>= 3.8)
  python3-apt
  python3-configobj
  cdebootstrap | debootstrap | mmdebstrap
  xorriso
  squashfs-tools | erofs-utils
  gdisk

Recommended:
  apt-cacher-ng
  auto-apt-proxy