server/nextcloud: Added support for auto backuping data directory

roles/server/nextcloud/tasks/main.yml

@@ -175,6 +175,14 @@
     minute: "*/5"
     job: "php -f \"{{ nextcloud_installation_directory }}/cron.php\""
 
+- name: Configure auto backup of nextcloud data directory
+  cron:
+    hour: 1
+    minute: 0
+    job: "{{ global_helper_directory }}/backup_files.sh {{ nextcloud_data_directory | quote }} {{ domain | quote }}"
+    name: "backup nextcloud data of {{ domain }}"
+    state: present
+
 #- name: Upgrade Nextcloud
 #  become_user: "{{ nextcloud_system_user }}"
 #  command: /usr/bin/php occ upgrade