FEAT #13679 TIME 2:10 Use config.xml in notification script + docker + doc migration

apps/maarch_entreprise/xml/config.xml.default

bin/notification/config/config.xml.default

bin/notification/scripts/BASKETS.sh

bin/notification/scripts/nct-ncc-and-anc.sh

bin/notification/scripts/ret1-ret2.sh

bin/notification/scripts/sendmail.sh

migration/20.10/migrate.sh

migration/20.10/migrateNotificationsConfig.php

src/app/notification/controllers/NotificationController.php

...tification/controllers/NotificationScheduleController.php

...notification/models/NotificationScheduleModelAbstract.php