Updates Vorstand page with current information

Updates the Vorstand page to reflect the current board members.

Replaces the old Vorstand image with the new one for 2025
Adds a field for image description to provide context for the image.

site/templates/vorstand.php

@@ -1,11 +1,11 @@
 <?php
-    $vorstand = $page->vorstandschaft()->toStructure();
-?>
+$vorstand = $page->vorstandschaft()->toStructure(); ?>
 
-<?php snippet('layout', slots: true) ?>
+<?php snippet('layout', slots: true); ?>
     <section class="py-8">
         <div class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
             <img src="<?= $page->image()->url() ?>" alt="<?= $page->title()->html() ?>">
+            <p class="text-xl pt-4"><?= $page->bildbeschreibung() ?></p>
         </div>
     </section>
     
@@ -13,7 +13,7 @@
         <div class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 py-4">
             <p class="text-2xl pt-4"><?= $page->text() ?></p>
             <ul class="pt-6">
-                <?php foreach($vorstand as $vorstand): ?>
+                <?php foreach ($vorstand as $vorstand): ?>
                     <li>
                         <p class="font-semibold text-xl">
                             <?= $vorstand->name() ?>
@@ -22,8 +22,8 @@
                             </span>
                         </p>
                     </li>
-                <?php endforeach ?>
+                <?php endforeach; ?>
             </ul>
         </div>
     </section>
-<?php endsnippet() ?>
+<?php endsnippet(); ?>