Enable and disable some layers.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Add mockup of the questions list view.

- This is an alternate version we could use when beginning to style the
app.
- It is not “this is what the app should be and look like.” but rather
a suggestion on how we could style the app to get a coherent look and
feel.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>