breadcrumb-the-shire/config/modules.php

<?php

/**
 * Module activation configuration.
 *
 * Modules listed here are loaded at boot time. The APP_ENABLED_MODULES env
 * variable controls overrides with deterministic semantics:
 * - APP_ENABLED_MODULES not set: use this config list
 * - APP_ENABLED_MODULES='': explicit no-modules mode
 * - APP_ENABLED_MODULES='a,b': exact module list from env
 *
 * Each entry must match a directory name under modules/ containing a module.php manifest.
 */
return [
    'enabled_modules' => ['addressbook', 'bookmarks', 'notifications'],
];