feat(galerias): accept JPEG XL photos and list every uploaded format

site/index.php

@@ -117,7 +117,7 @@ if ($offer):
 <?php
 // ── Galeria (Instalações) ───────────────────────────────────────────────────────
 $gallery_path  = !empty($gym['gallery_id']) ? 'uploads/gallery/' . (int) $gym['gallery_id'] . '/' : '';
-$gallery_files = ($on('galeria') && $gallery_path !== '') ? glob($gallery_path . '*.jpg') : [];
+$gallery_files = ($on('galeria') && $gallery_path !== '') ? preg_grep('/\.(jpe?g|png|gif|webp|jxl)$/i', glob($gallery_path . '*') ?: []) : [];
 if ($gallery_files && count($gallery_files) > 0):
 $gallery_h2 = 'Conhece as nossas instalações';
 ?>