https://itnext.io/react-push-notifications-with-hooks-d293d36f4836

https://d3v.one/vapid-key-generator/ https://medium.com/@seladir/how-to-implement-web-push-notifications-in-your-node-react-app-9bed79b53f34 https://codelabs.developers.google.com/codelabs/push-notifications/#8

https://developers.google.com/web/fundamentals/codelabs/push-notifications

https://tests.peter.sh/notification-generator/#image= https://developers.google.com/web/ilt/pwa/introduction-to-push-notifications