updated dmarc entry

lib/config.inc.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * change the options below to either true or false
+ */
+return [
+	/**
+	 * enable/disable the possibility to update froxlor from within the web-interface,
+	 * recommended value for debian/ubuntu package users is false to rely on apt and not have version mixup.
+	 * This is also useful for providers that manage the servers but give admin access to froxlor to handle
+	 * updates the way the providers does it (e.g. automation, etc.)
+	 */
+	'enable_webupdate' => true,
+];