Add Nextcloud config for maintenance window

profile/files/nextcloud/maintenance_window_start.php

+<?php
+$CONFIG = array (
+  'maintenance_window_start' => 1,
+);

profile/manifests/nextcloud.pp

@@ -382,6 +382,15 @@ class profile::nextcloud (
   # Periodic apps update
   #
 
+  file { "${www_root}/config/maintenance_window_start.config.php":
+    ensure  => file,
+    owner   => www-data,
+    group   => www-data,
+    mode    => '0644',
+    source  => 'puppet:///modules/profile/nextcloud/maintenance_window_start.config.php',
+    require => File["${www_root}/config"],
+  }
+
   cron { 'occ app:update --all':
     command => "php ${www_root}/occ app:update --all",
     user    => www-data,