$routes->get('/', 'Home::index');
$routes->group('admin', function($routes){
    $routes->get('mahasiswa', 'mhs::index');
    $routes->get('mahasiswa/(:segment)/preview', 'mhs::preview/$1');
    $routes->add('mahasiswa/new', 'mhs::create');
    $routes->add('mahasiswa/(:segment)/edit', 'mhs::edit/$1');
    $routes->get('mahasiswa/(:segment)/delete', 'mhs::delete/$1');