message: Update README.md
  added as built and hardware request info
diff: # pcbreathe
  custom board design for beta/prod build
  +
  +## Rev 1 As-Built Files:
  +https://github.com/RespiraWorks/pcbreathe/tree/master/NIGHTLY/20200424v2-RELEASE-CANDIDATE-2
  +
  +As-built Schematic:
  +https://github.com/RespiraWorks/pcbreathe/blob/master/NIGHTLY/20200424v2-RELEASE-CANDIDATE-2/20200424v2-RespiraWorks-Ventilator-Rev1.0-RC2-DWG-SCH.PDF
  +
  +As-built 3D STEP file:
  +https://github.com/RespiraWorks/pcbreathe/blob/master/NIGHTLY/20200424v2-RELEASE-CANDIDATE-2/20200424v2-RespiraWorks-Ventilator-Rev1.0-RC2-3D-STEP.step
  +
  +Manufacturing Pacakge:
  +https://github.com/RespiraWorks/pcbreathe/blob/master/NIGHTLY/20200424v2-RELEASE-CANDIDATE-2/20200424v2-RespiraWorks-Ventilator-Rev1.0-RC2-PKG-TURNKEY.zip
  +
  +## Requesting Hardware for Dev:
  +Request hardware by making an entry here: https://docs.google.com/spreadsheets/d/1rf-cOTlQL_LnzrZq-64n7_R_pFyFMdCAxsPC65YqKUg/edit?usp=sharing
  