Finished routing

updated PDFs to remove drill marks

Fixed silkscreen for WWW assembly for Motor and Battery boards

edits to switching logic

33rd pin added

added resistors to gate driver circuit

added more components for precharge transistor logic and hv-lv isolation

Merge branch 'richardzhou'

Final board for sendout

Changed digital pot, passing all DRC checks, fixed dimensions, reviewed routing and layout. Submitted to FreeDFM, awaiting response