feat: Add service worker for offline install

src/index.html

@@ -1324,6 +1324,15 @@
       e.returnValue = '';
     }
   });
+
+  // -- Service Worker to make this application work offline
+  if ('serviceWorker' in navigator) {
+    window.addEventListener('load', () => {
+      navigator.serviceWorker.register('sw.js')
+        .then(reg => console.log('Service Worker Registered'))
+        .catch(err => console.log('Registration Failed', err));
+    });
+  }
  
 })();
 </script>