Add support for a site-specific redirects file

web/sites/default/settings.php

@@ -54,6 +54,14 @@
   include $local_settings;
 }
 
+/**
+ * Site-specific redirects
+ */
+$redirects_file = __DIR__ . "/redirects.php";
+if (file_exists($redirects_file)) {
+  include $redirects_file;
+}
+
 /**
  * Always install the 'standard' profile to stop the installer from
  * modifying settings.php.