MagTag Christmas Countdown
Modified version of this project from Adafruit:
- https://learn.adafruit.com/magtag-daily-christmas-countdown
- https://github.com/adafruit/Adafruit_Learning_System_Guides/tree/main/MagTag_Christmas_Countdown
countdown_feature_flag = False
- Works like original Adafruit project which counts up from 1 to 25 on Dec 25th.
countdown_feature_flag = True
- Count down days from 25 to 1 and then on Dec 25th, display mc.bmp