whmcsProxmoxAddon/core/Config/di/services.php

<?php

return [
    \ModulesGarden\ProxmoxAddon\Core\Lang\Lang::class,
    \ModulesGarden\ProxmoxAddon\Core\Events\Dispatcher::class,
    \ModulesGarden\ProxmoxAddon\Core\App\Controllers\Instances\Addon\Config::class,
    \ModulesGarden\ProxmoxAddon\Core\UI\Widget\Sidebar\SidebarService::class
];