Ensure that maintenance mode is off after nextcloud upgrade

src/freedombone-app-nextcloud

     sudo -u www-data ./occ maintenance:repair
     sudo -u www-data ./occ files:cleanup
     sudo -u www-data ./occ files:scan --all
+    sudo -u www-data ./occ maintenance:mode --off
 }
 
 
     sudo -u www-data ./occ files:cleanup
     sudo -u www-data ./occ files:scan --all
     sudo -u www-data ./occ maintenance:repair
+    sudo -u www-data ./occ maintenance:mode --off
 
     # move the data directory
     mv /var/www/${NEXTCLOUD_DOMAIN_NAME}/htdocs/data /var/www/${NEXTCLOUD_DOMAIN_NAME}/