Add more order informations, create BOM

Add some digikey order informations to components

Add some little changes to the schematic, add calculations

Move processor part a bit down

Improve pcb routing, add testpoints and etc. The design improves a lot. Still lots to do, but most important design parts should now be drafted almost complete.

Place some components onto the PCB

Initial version of HighPower-Mechaduino schematic