added as5600-encoder-minh

[minh7a6]

PR Checklist

DO NOT EDIT THESE OR MARK THEM AS COMPLETE. They are for the reviewer.

• [ ] General
  • [ ] Schematic is clean and readable.
  • [ ] Eagle DRC runs with no errors.
  • [ ] Board outline meets requirements.
• [ ] Connections
  • [ ] Pinouts of all components have been double checked with the datasheets.
  • [ ] Connections on headers are correct and comply with standards.
• [ ] Power
  • [ ] Required power rails are present with correct current requirements.
  • [ ] Power traces meet current requirements
  • [ ] Proper circuit protection is in place. (fuses, TVS diodes, etc.)
• [ ] Documentation
  • [ ] Wiki Page is complete and contains no glaring errors.
  • [ ] Schematic is well-documented, with calculations where it is necessary.