[faiproject/fai] b39970: Add package manager from alpine linux: apk

[Mrfai]

  Branch: refs/heads/master
  Home:   https://github.com/faiproject/fai
  Commit: b3997036eaab0a3459ffe966da1d48854c503d87
      https://github.com/faiproject/fai/commit/b3997036eaab0a3459ffe966da1d48854c503d87
  Author: Juri Grabowski <git-commit at jugra.de>
  Date:   2022-08-26 (Fri, 26 Aug 2022)

  Changed paths:
    M bin/install_packages

  Log Message:
  -----------
  Add package manager from alpine linux: apk