Merge branch 'restic-test' of git.paquerette.eu:paquerette/infrastructure/ansible-paquerette into restic-test

When role is conditionnaly imported multiple times,
handers can be disabled
when last import skip all tasks conditionnaly

Enable application data volume to be monitored

See merge request !8

Added documentation
Added some default variables in base server role

load average values

Ajout du rôle Garradin

See merge request !4

add owner and group for template