Fix Vorstand page - load config data directly from API response

pages/vorstand.vue

@@ -133,7 +133,7 @@ const config = ref(null)
 const loadConfig = async () => {
   try {
     const response = await $fetch('/api/config')
-    config.value = response.config
+    config.value = response
   } catch (error) {
     console.error('Fehler beim Laden der Config:', error)
   }