[faiproject/fai] 93c4ad: add support for running fai inside a screen or tmu...

[Mrfai]

  Branch: refs/heads/master
  Home:   https://github.com/faiproject/fai
  Commit: 93c4ad250bbe1ed26c3d5c9480a4c12abc757d12
      https://github.com/faiproject/fai/commit/93c4ad250bbe1ed26c3d5c9480a4c12abc757d12
  Author: Thomas Lange <lange at debian.org>
  Date:   2023-05-29 (Mon, 29 May 2023)

  Changed paths:
    M Makefile
    M conf/NFSROOT
    M conf/systemd/fai.service
    M debian/fai-nfsroot.install
    M doc/fai-guide.txt
    M examples/simple
    A lib/terminal-wrapper

  Log Message:
  -----------
  add support for running fai inside a screen or tmux session