Add pictures to G4 Panel Programming

[floesche]

G4 Panel Programmer

• Add pictures of the driver and comm boards and of the right way to connect them to the programmer (since they can be inserted upside down also)
• Add picture for dipswitches in Note 1
• Include comment in note 2 that if Ardiuno is corrupted you should reprogram it and put the whole comment in bold red

[floesche]

Improved documentation at https://reiserlab.github.io/Modular-LED-Display/Generation%204/Firmware/docs/