Run server with step 5: https://jekyllrb.com/docs/

Uses https://github.com/zhustec/jekyll-diagrams for block diagrams as well as circuitz, somehow

Some posts are kept in the drafts folder as documented here https://jekyllrb.com/docs/posts/#drafts (you can run or build with draft posts enabled)

bundle exec jekyll serve --force_polling --livereload --watch --drafts -P 4000