site  : "bookdown::bookdown_site"
output:
  bookdown::gitbook:
    config:
      toc:
        collapse: section
      toolbar:
      # Default search indexing is very slow: there's lots of notes to be indexed at each page load
      # Because of that, it may be better to disable search by default
      #search: no
      # Fuse search engine is faster
      search:
        engine: fuse
      sharing: no
    fontsettings:
      theme: night
      family: sans
      size: 2
    #split_by: chapter+number
    #split_by: section