Initial version

To use with Circuitpython Copy epd_2in13_b.py or epd_2in13_b.mpy into lib folder of CIRCUITPY drive.

Make sure you have also this library on your lib directory:

• adafruit_framebuf.mpy https://github.com/adafruit/Adafruit_CircuitPython_Bundle

and

• font5x8.bin in same directory as your code. You can download the font here :
  https://github.com/adafruit/Adafruit_CircuitPython_framebuf/blob/main/examples/font5x8.bin