ZeroCalcGerber

This is for upgrading the PicoCalc with the Raspberry Pi Zero. For further Information please check the Repro of wasdwasd0105. picocalc-pi-zero-2

<img width="678" height="914" alt="Screenshot 2025-08-11 000756" src="https://github.com/user-attachments/assets/64ca1304-05d9-4a6f-a7b9-f1fa222c9160" />

How to connect the headers and the pi zero:

<img width="537" height="609" alt="screenshot-2025-08-24-135801" src="https://github.com/user-attachments/assets/a5d7dbee-4fc5-417a-a1aa-52902178f474" />