Add business type, location and logo to the structured data

Three optional settings extend LocalBusiness: a subtype from a fixed list, coordinates as a pair, and a logo from the media library. Without them the output stays as it was, and stored settings need no migration.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/Controller/SettingsController.php

@@ -57,6 +57,7 @@ final class SettingsController extends AbstractController
 
         return $this->render('admin/settings.html.twig', [
             'settings' => $settings,
+            'businessTypes' => SiteSettings::BUSINESS_TYPES,
             'legalSelection' => $legal,
             'notFoundSelection' => $this->notFoundPage->selected(),
             'redirects' => $this->redirects->all($request->query->getInt('seite', 1)),