Creates a material design drawer header.
Requires one of its ancestors to be a Material widget.
Source
const DrawerHeader({
Key key,
this.decoration,
this.padding: const EdgeInsets.fromLTRB(16.0, 16.0, 16.0, 8.0),
this.duration: const Duration(milliseconds: 250),
this.curve: Curves.fastOutSlowIn,
this.child
}) : super(key: key);