* script: restructure build commands
* klipper: add simulavr target
* simulavr: add klipper config for simulavr; add compose file for simulavr
* simulavr: set dependencies for klipper service
* move ustreamer to override file; rearrange init service in main compose file; move config for simulavr to printer.cfg
* move printer.cfg for simulavr to extra file
* README: add debugging section
* update docs