raby/resources/routes/web/admin.php

<?php
use ProVM\NotariaRaby\Common\Controller\Web\Admin\Admin;

$app->group('/admin', function($app) {
  $folder = implode(DIRECTORY_SEPARATOR, [
    __DIR__,
    'admin'
  ]);
  if (file_exists($folder)) {
    $files = new DirectoryIterator($folder);
    foreach ($files as $file) {
      if ($file->isDir()) {
        continue;
      }
      include_once $file->getRealPath();
    }
  }

  $app->get('[/]', Admin::class);
})->add($app->getContainer()->get(ProVM\NotariaRaby\Common\Middleware\Auth::class));