refactor(routing): Using Aura.Router for routing.

Routing file is defined by the app.
Assumed to be under: setup/coufig/routes.yaml
php yaml extension is required in order to read this file.
Shouldn't we add back this comment here to be able to better understand what we are doing?
"If it is in the url and the locale is different than the saved locale, we save it in a cookie (for anonymous users only)"