[yast/yast-firstboot] a12fa4: Link oS wiki and SLE docs about Firstboot

15 Jul 2022

      Branch: refs/heads/readme-docs-pointers
  Home:   https://github.com/yast/yast-firstboot
  Commit: a12fa4245ea83f9337beb209e3f0aeeef816f429
      https://github.com/yast/yast-firstboot/commit/a12fa4245ea83f9337beb209e3f0ae...
  Author: Martin Vidner <mvidner@suse.cz>
  Date:   2022-07-15 (Fri, 15 Jul 2022)

  Changed paths:
    M README.md

  Log Message:
  -----------
  Link oS wiki and SLE docs about Firstboot

In https://bugzilla.suse.com/show_bug.cgi?id=1201513
both the reporter and I were unsure how firstboot is supposed to work,
this should help.