Turn your website into a progressive web app that's installable on phones. Automatically prompt your mobile visitors to install your app.
This plugin uses the Workbox Library
https://github.com/GoogleChrome/workbox to turn your website into a progressive web app.
Add to homescreen code was incorporated into this plugin from:
Add to Homescreen v2.0.11 - Copyright (c) 2013 Matteo Spinelli - Released under MIT license