Fix PWA

Author: andrewstech

src/index.js

@@ -4,7 +4,7 @@ import './index.css';
 import App from './App';
 import store from './store';
 import { Provider } from 'react-redux';
-import * as serviceWorker from './serviceWorker';
+import * as serviceWorkerRegistration from './serviceWorkerRegistration';
 
 ReactDOM.render(
   <React.StrictMode>
@@ -18,4 +18,4 @@ ReactDOM.render(
 // If you want your app to work offline and load faster, you can change
 // unregister() to register() below. Note this comes with some pitfalls.
 // Learn more about service workers: https://bit.ly/CRA-PWA
-serviceWorker.register();
+serviceWorkerRegistration.register();