Tag input should derive its functionality from the fallback component.

The MenuSelect functions to have selected options in a list view.

The option demo page now also uses correct components.

Update philosophy doc.

Ensure freeform and option components are able to receive change events.

Make coverage 100% for remaining components.

Implement tests to increase code coverage

The option module was modified to split components and avoid
overloading.

Add files from create-next-app.