as well with shell in order to be able to run duniter with systemd
So, the configuration get saved in (/home/yunohost.app/duniter) $datadir
with which the service will run with
The consequence of this was at least a broken BMA access due to the
absense of configuration
Run Duniter with 'duniter' user to apply the configuration
to get the config file with correct permissions, using
"ynh_exec_as duniter", an equivalent of su - duniter -c "$cmd"