It generates configuration file for container, pre-mount hook for
container and AppArmour profile. Template is compatible with LXC
upstream, so tools from LXC should be used to
create/start/stop/destroy the container.

Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Differential Revision: https://phabricator.apertis.org/D7318