feat: enable full section editing, background styling, animations and live file persistence

app/data/site.config.json

@@ -1,4 +1,5 @@
 {
+  "updated_at": "2026-08-09T21:48:17.969Z",
   "siteName": "N&D IT Solutions",
   "metaDescription": "High-Performance Webdesign & Digital Solutions - 100% DSGVO-konform.",
   "is_demo_mode": false,
@@ -131,23 +132,7 @@
       "slug": "/",
       "title": "Startseite (Hauptseite)",
       "is_published": true,
-      "sections": [
-        {
-          "id": "hero",
-          "type": "HeroSection",
-          "settings": {}
-        },
-        {
-          "id": "bento",
-          "type": "BentoGrid",
-          "settings": {}
-        },
-        {
-          "id": "contact",
-          "type": "ContactSection",
-          "settings": {}
-        }
-      ]
+      "sections": []
     },
     {
       "id": "page_templates",