Controller.php

<?php

namespace li3_cms\action;
    
class Controller extends \lithium\action\Controller {
}

routes.php

<?php
use \lithium\net\http\Router;

Router::connect(
    '/admin',
    array('library' => 'li3_cms', 'controller' => 'dashboard', 'action' => 'index'),
    array('persist' => array('library', 'controller'))
);

Router::connect(
    '/admin/{:controller}',
    array('library' => 'li3_cms', 'action' => 'index'),
    array('persist' => array('library'))
);

Router::connect(
    '/admin/{:controller}/{:action}',
    array('library' => 'li3_cms'),
    array('persist' => array('library'))
);

Router::connect(
    '/admin/{:controller}/{:action}/{:args}',
    array('library' => 'li3_cms'),
    array('persist' => array('library'))
);
?>