Create service-worker.js

service-worker.js

@@ -0,0 +1,32 @@
+const cacheName = 'chatbot-cache-v1';
+const assetsToCache = [
+  '/',
+  '/index.html',
+  '/styles.css',
+  '/script.js',
+  '/icon_vera.png',
+  '/icon_vera2.png',
+  '/manifest.json',
+  '/login.html',
+  '/login.png',
+  '/mic.png',
+  '/newchat.png',
+  '/register.html'
+  '/styles1.css'
+];
+
+self.addEventListener('install', event => {
+    event.waitUntil(
+        caches.open(cacheName).then(cache => {
+            return cache.addAll(assetsToCache);
+        })
+    );
+});
+
+self.addEventListener('fetch', event => {
+    event.respondWith(
+        caches.match(event.request).then(response => {
+            return response || fetch(event.request);
+        })
+    );
+});