This change renames a lot of variables, types and functions to be more
generic. The goal is to allow GARM to add more forges in the future.
Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
This change allows GARM tests to use a mirror for LXD images, allowing
for faster image downloads.
Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>