feat(openclaw): add shopping, supermarket deals, geizhals, and ebay MCP tools

website/grabengasse_frontend/src/main.ts

@@ -0,0 +1,18 @@
+import { createApp } from 'vue'
+import './style.css'
+import App from './App.vue'
+
+createApp(App).mount('#app')
+
+// Register Service Worker for PWA (Progressive Web App)
+if ('serviceWorker' in navigator && import.meta.env.PROD) {
+  window.addEventListener('load', () => {
+    navigator.serviceWorker.register('/sw.js')
+      .then((reg) => {
+        console.log('[PWA] ServiceWorker registered with scope:', reg.scope)
+      })
+      .catch((err) => {
+        console.warn('[PWA] ServiceWorker registration failed:', err)
+      })
+  })
+}