Issue #3333281 by MustangGB, smustgrave, xjm: Give trusted host configuration...

Issue #3333281 by MustangGB, smustgrave, xjm: Give trusted host configuration hint in default.settings.php

core/assets/scaffold/files/default.settings.php

@@ -705,6 +705,7 @@
  *
  * @see https://www.drupal.org/docs/installing-drupal/trusted-host-settings
  */
+# $settings['trusted_host_patterns'] = [];
 
 /**
  * The default list of directories that will be ignored by Drupal's file API.

sites/default/default.settings.php

@@ -705,6 +705,7 @@
  *
  * @see https://www.drupal.org/docs/installing-drupal/trusted-host-settings
  */
+# $settings['trusted_host_patterns'] = [];
 
 /**
  * The default list of directories that will be ignored by Drupal's file API.