[IDEX] Nozzle position calibration with a second load cell probe

[hcet14]

I missed

Klipper RPC Shim library

Shortly speaking, sometimes I think custom extensions can live outside of the Klippy/Klipper process. Here is the API, and it should be enough for most basic stuff. I see the Moonraker as the perfect example of a klipper extension. This library is supposed to be used as part of the daemon/service that connects to the Klipper socket. Declares supported functions and probably loads macros to call those methods. Some missing pieces, for now: Macros should be loaded by the external installe…

Thank you.
Interesting, what do you think @Tinman-FP?