Add example for a PWA and Mobile application

[dugwood]

I've searched a lot about PWA (including all your announcements on your blog), but I can't find out what's the way to go if you want to create both iOS/Android application and a PWA «fallback»:

• do I need to include cordova.js (generated by ionic build browser)?
• for plugins such as Google Maps, can I use the Cordova plugin (cordova-plugin-googlemaps) for desktop browsers (including IE) or should I use both the Cordova plugin and the Google Maps Javascript API (pure Javascript)?

Until now, I was only creating a PWA (for a demo) that I will convert to Hybrid app in the long run. I've pointed my web-server to myApp/www/, with a fake cordova.js that will load Google Maps Javascript API and set a flag isBrowser (should be isPWA!) that I use here and there to handle whether I'll use Cordova or not (geolocation & maps for instance).

Am I doing things the right way? Or should I load the whole PWA from plaforms/browser/www/?

I think a post or a documentation on this would be great. In your demos, I can see that anonchat or soundel are using cordova.js, but maybe it doesn't do anything if it's not a Cordova-based browser (ie Chrome/Android or Safari/iOS => Edge doesn't understand those commands).

Also I get browser's approval warning for storage (@ionic/storage) with cordova-based PWA, and not with the non-Cordova version. For now that's a good reason to me to continue with non-Cordova version.

Thanks!