Stable Multiprocessing README

[sonofcy]

Here are a few more threads re AI.

https://forum.arduino.cc/t/ai-chat-chatgpt-and-other-services-getting-help-from-artificial-intelligence/1168089

https://forum.arduino.cc/t/ai-and-arduino-and-code-application-generation-in-general-a-future-perspective-now/1425111/29

https://forum.arduino.cc/t/ai-gpt-code-copilot-etc-and-arduino-programming/1347468

There are more