Sportheim mieten: Buchungsseite mit Anfrageformular

Neue Seite /sportheimbuchung mit Bento-Layout (Fotos, Lage, Ausstattung) und
einem Buchungsanfrage-Formular nach Projektkonvention (form-field-Komponente,
Status-Region, Honeypot + ft-Token, Whitelist-Validierung, Rate-Limiting, PRG).
Versand via Brevo SMTP über app/actions/sportheimbuchung-senden.php, POST-Route
in index.php. form-field um min/max-Attribute erweitert (Personenzahl-Feld).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HGzc6GhWhmLJt1jC2q1SRZ

app/components/form-field.php

@@ -35,7 +35,9 @@ $commonAttrs = 'name="' . e($name) . '" id="' . e($id) . '"'
     . ($required ? ' required' : '')
     . ' aria-describedby="' . e($describedBy) . '"'
     . (!empty($field['autocomplete']) ? ' autocomplete="' . e($field['autocomplete']) . '"' : '')
-    . (!empty($field['maxlength']) ? ' maxlength="' . e($field['maxlength']) . '"' : '');
+    . (!empty($field['maxlength']) ? ' maxlength="' . e($field['maxlength']) . '"' : '')
+    . (isset($field['min']) ? ' min="' . e((string) $field['min']) . '"' : '')
+    . (isset($field['max']) ? ' max="' . e((string) $field['max']) . '"' : '');
 ?>
 <?php if ($type === 'checkbox'): ?>
                     <div class="form__field form__field--checkbox">