KI/bootstrap/base/config.php

<?php
return [
  'language' => 'es',
  'folders.base' => dirname(__DIR__, 2),
  'folders.resources' => DI\string(implode(DIRECTORY_SEPARATOR, ['{folders.base}', 'resources'])),
  'folders.routes' => DI\string(implode(DIRECTORY_SEPARATOR, ['{folders.resources}', 'routes'])),
  'folders.data' => DI\string(implode(DIRECTORY_SEPARATOR, ['{folders.resources}', 'data'])),
  'folders.public' => DI\string(implode(DIRECTORY_SEPARATOR, ['{folders.base}', 'public']))
];