LXC: added archlinux and fedora31 containers
LXC: added archlinux and fedora31 containers

BTW: update all packages when installing conatiner's boilerplate

Signed-off-by: Markus Heiser <14dfd67dd72e7ac80c040b62bb932f1e121795cc@darmarit.de>

dalf/searx,dalf/searx,asciimoo/searx,dalf/searx,asciimoo/searx,asciimoo/searx,asciimoo/searx,dalf/searx