Meditation Mode

meditation mode as a multi-stage timer tailored for meditation work.
Features include:

    * Single and multi-stage meditation sessions.
    * Each stage can be assigned a unique time duration and alert.
    * All stages can be viewed and configured from a single edit screen.
    * Can have more than one session (thousands actually).
    * Various audio (bells, gongs, birds, notes, etc) alerts.
    * Can play audio files (including voice recordings).
    * Periodic "minder" alarms to keep one on track should one's mind stray.
    * Hourly chime (useful for staying mindful throughout the day).
    * Large screen buttons for starting and stopping of sessions.
    * Eight volume levels (including "off", "whisper", and overdrive modes).
    * Stages can be set to block upon completion requiring user input to move to the next stage.

Inspired by PocketDoan: A Meditation Timer