Add PCB prints to dev kit and CI/CD

[Kampi]

Place the prints in dev-kit/print and copy them (together with the reference documents) into other.zip when running KiBot

[Kampi]

@jakkra do we want to add the output files for the prints (png) or also the project file for the prints?

[jakkra]

I think png prints are a manual job and don't need to be in git at all for now. Any change in pcb and images needs to be redone. Best not include and leave it as a manual thing after downloading the kibot output files imo.

[jakkra]

Let's wait if we want to continue using prints, right now is just a test