Boopbarry mini computer

This was originally designed as a knockoff "beepberry" (before beepberry was renamed to beepy) when I was waiting for the beepy to be released. It's a handheld computer with sharp memory display, raspberry pi zero, and chording keyboard using the artsey.io layout.

It requires some soldering to put together, but it's still a very simple computer to build. It runs for many hours on a single 3ah 18650 cell, can charge while it runs, has no voltage boosting (the pi zero runs at battery voltage), ...

Parts list:
* Pi Zero W
* Pimoroni on/off shim - https://shop.pimoroni.com/products/onoff-shim?variant=41102600138
* One Li-Ion 18650 cell
* Sharp Memory Display - https://www.adafruit.com/product/4694
* Screws - https://www.amazon.com/gp/product/B00GDYNHL6/
* 8 x choc switches of your choice
* 8 x choc keycaps of your choice
* One Pi pico for the keyboard controller/ battery voltage monitor
* One 6mm button - https://www.adafruit.com/product/367
* usbc breakout - https://ww