Create mobile calender service

mobile-calendar/src/main.jsx

@@ -0,0 +1,22 @@
+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import App from './App.jsx'
+
+// Register service worker for PWA
+if ('serviceWorker' in navigator) {
+  window.addEventListener('load', () => {
+    navigator.serviceWorker.register('/sw.js')
+      .then((registration) => {
+        console.log('SW registered: ', registration);
+      })
+      .catch((registrationError) => {
+        console.log('SW registration failed: ', registrationError);
+      });
+  });
+}
+
+createRoot(document.getElementById('root')).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+)