Com.ForbiddenByte.OSA.Demos.Simple Namespace

Old name "SimpleTutorial". Class (initially) implemented during this YouTube tutorial: https://youtu.be/aoqq_j-aV8I (which is now too old to relate). It demonstrates a simple use case with items that expand/collapse on click

Hookup between the DrawerCommandPanel and the adapter to isolate example code from demo-ing and navigation code