The widget for the default route of the app (Navigator.defaultRouteName,
This is the route that is displayed first when the application is started
normally, unless initialRoute is specified. It's also the route that's
displayed if the initialRoute can't be displayed.
To be able to directly call Theme.of, MediaQuery.of, etc, in the code
that sets the home argument in the constructor, you can use a Builder
widget to get a BuildContext.
If home is specified, then routes must not include an entry for
as home takes its place.