Configurable to do list showed when you start the sleep tracking

From Fabio Lima Rocha on 2016/08/17 15:25:24 +0000

A configurable to do list should be showed when you start the sleep tracking to avoid forget important things to do before sleep, like: turn off the aquarium lamp, take some medicine, close the windows, use the CPAP etc.

Copied from original feature request: http://urbandroid.uservoice.com/forums/264867-sleep-as-android/suggestions/15691797-configurable-to-do-list-showed-when-you-start-the