revC2: roundrect and fixed 3d model for USB-C socket

revC2: make layout for D18 and D19 symmetric

revC2: layout for INA233 on port B done

revC2: schematics fixup Add manufacturer names & MPNs, remove stray wire, uppercase R in resistor values

revC2: layout for INA233 on port A done, port B still TODO

revC2: remove left-over traces, place new footprints Also add new footprints where necessary, fix a silkscreen bug Layout for new components still TODO

revC2: documentation improvements & small beautifications schematics part of #165 done

revC2: remove ATECC ic from schematics It was decided to be DNP for poduction, but there are still regularly questions about it popping up. So better completely remove it.

revC2: replace ADC with INA233 voltage & current monitor

revC2: Made back side silkscreen black on white compatible. Replaced nono_hana with an outlive version and made the Serial Number box an outline. This will make the black silkscreen on white solder mask look "right". Should still work for light silk on dark solder stop.