[faiproject/fai] f2a5fa: add pacman with remove and install options

[Mrfai]

  Branch: refs/heads/master
  Home:   https://github.com/faiproject/fai
  Commit: f2a5fa9508ad4311136a5ee5e33a30f9ee62102d
      https://github.com/faiproject/fai/commit/f2a5fa9508ad4311136a5ee5e33a30f9ee62102d
  Author: Juri Grabowski <git-commit at jugra.de>
  Date:   2022-02-11 (Fri, 11 Feb 2022)

  Changed paths:
    M bin/install_packages

  Log Message:
  -----------
  add pacman with remove and install options


  Commit: 9865525098f7c56319da61c3e08ba56311b30e50
      https://github.com/faiproject/fai/commit/9865525098f7c56319da61c3e08ba56311b30e50
  Author: Juri Grabowski <git-commit at jugra.de>
  Date:   2022-02-11 (Fri, 11 Feb 2022)

  Changed paths:
    M bin/install_packages

  Log Message:
  -----------
  s/aptopt/pacmanopts/


  Commit: 8288d9d9c402dc39bcd744be629495eda595cda1
      https://github.com/faiproject/fai/commit/8288d9d9c402dc39bcd744be629495eda595cda1
  Author: Juri Grabowski <git-commit at jugra.de>
  Date:   2022-02-11 (Fri, 11 Feb 2022)

  Changed paths:
    M bin/install_packages

  Log Message:
  -----------
  make pacman not interactive


  Commit: 81c73480ab2be8749885415b92415a95536332bb
      https://github.com/faiproject/fai/commit/81c73480ab2be8749885415b92415a95536332bb
  Author: Thomas Lange <lange at debian.org>
  Date:   2022-02-11 (Fri, 11 Feb 2022)

  Changed paths:
    M doc/fai-guide.txt

  Log Message:
  -----------
  add info about DHCP options


Compare: https://github.com/faiproject/fai/compare/27c7267badb4...81c73480ab2b