Editing Klipper and settings for custom commands

This is to help someone who wants to add custom G-code or commands that will allow for further control of the printers. 

When it comes to Klipper this can be a lot more low level and thus can create just about any situation as we can go as far as adding a whole other axis to a printer. 

So this should be a short guide on how to start editing commands and klipper firmware to just make adjustments. see the Klipper set up guide for guides on how to set up new instances, printers or even lower level control settings. 

there will be a section for doing this in another firmware if we still access differrent firmwares on the server.

Klipper: