Update favicon and add PWA

src-pwa/register-service-worker.ts

@@ -0,0 +1,41 @@
+import { register } from 'register-service-worker';
+
+// The ready(), registered(), cached(), updatefound() and updated()
+// events passes a ServiceWorkerRegistration instance in their arguments.
+// ServiceWorkerRegistration: https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration
+
+register(process.env.SERVICE_WORKER_FILE, {
+  // The registrationOptions object will be passed as the second argument
+  // to ServiceWorkerContainer.register()
+  // https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/register#Parameter
+
+  // registrationOptions: { scope: './' },
+
+  ready (/* registration */) {
+    // console.log('Service worker is active.')
+  },
+
+  registered (/* registration */) {
+    // console.log('Service worker has been registered.')
+  },
+
+  cached (/* registration */) {
+    // console.log('Content has been cached for offline use.')
+  },
+
+  updatefound (/* registration */) {
+    // console.log('New content is downloading.')
+  },
+
+  updated (/* registration */) {
+    // console.log('New content is available; please refresh.')
+  },
+
+  offline () {
+    // console.log('No internet connection found. App is running in offline mode.')
+  },
+
+  error (/* err */) {
+    // console.error('Error during service worker registration:', err)
+  },
+});