chore: complete update

resources/js/serviceWorker.js

@@ -0,0 +1,23 @@
+export function registerServiceWorker() {
+    if ('serviceWorker' in navigator) {
+        navigator.serviceWorker.register('/sw.js')
+            .then(reg => {
+                console.log('✅ Service Worker registriert:', reg.scope);
+
+                // Update found?
+                reg.onupdatefound = () => {
+                    const installing = reg.installing;
+                    installing.onstatechange = () => {
+                        if (installing.state === 'installed') {
+                            if (navigator.serviceWorker.controller) {
+                                console.log('🔄 Neue Version verfügbar – Seite neu laden?');
+                            } else {
+                                console.log('✅ Inhalte jetzt offline verfügbar');
+                            }
+                        }
+                    };
+                };
+            })
+            .catch(err => console.error('❌ SW-Fehler:', err));
+    }
+}