Copy settings.local.php on fin init

[ApacheEx]

to do:

• copy example.settings.local.php to settings.local.php
• add the following code to the end of settings.php

if (file_exists($app_root . '/' . $site_path . '/settings.local.php')) {
  include $app_root . '/' . $site_path . '/settings.local.php';
}

• include trusted_host_patterns setting to the settings.local.php