add support to create a remote sftp user

defaults/main.yml

@@ -26,6 +26,15 @@ backups:
     years: 3
   export:
     destinations: []
+  remote_sftp_user:
+    name: backup
+    host: ~
+    chroot_basepath: "/var/chroots/{{ inventory_hostname }}"
+    storage_path: "/srv/backups/{{ inventory_hostname }}"
+    groups: []
+    group: nogroup
+    enabled: False
+    create_storage_folder: True
   exclude_files:
     '/tmp': true
     '/var/tmp': true