[Bugfix] map index start from 0

wp-content/themes/nap/contact.php

@@ -51,7 +51,7 @@ $post_ID = 157;
 
                 <?php
                 if (get_field('zones_commerciaux', $post_ID)):
-                    $i = 1;
+                    $i = 0;
                     while (has_sub_field('zones_commerciaux', $post_ID)) :
                         ?>
                         <div class="commercial commercial-details" data-zone = "zone<?php echo $i; ?>">