fix board render

Docs (#3) * update docs branch (#2) * added latest board rev * fixed spi bus error * Update FUNDING.yml * fix variables and added system diagram * Update compile-from-source.md * Update compile-from-source.md * added latest changes

fix variables and added system diagram

Update FUNDING.yml

fixed spi bus error

added latest board rev

Update mkdocs.yml

Update mkdocs.yml

Update mkdocs.yml

reorg and enable docs