julienmonnerie/site/controllers/home.php

<?php

return function ($site) {

    // Get CV page URL and override logo href and aria-label attributes
    $logoHref = page('cv')->url();
    $logoAriaLabel = "Go to {$site->title()}'s CV page";

    // Get items from image gallery structure field
    $galleryItems = $site->image_gallery()->toStructure();

    // Return home controller data
    return compact(
        'galleryItems',
        'logoAriaLabel',
        'logoHref',
    );
};