Load all cockpit descriptions at once

singletons.php

# /config/api/public/singletons.php

# GET /api/public/singletons
# GET /api/public/singletons?lang=de

<?php

$options = [];
$response = [];

if ($lang = $this->param('lang', false)) $options['lang'] = $lang;

foreach ($this->module('singletons')->singletons() as $name => $singleton) {
    $response[$name] = $this->module('singletons')->getData($name, $options);
}

return $response;