Oh, looks interesting, lets check out the architecture documentation! searching.... Ah, found it: Makefile and manual.tex... Yeah, f off :)
replies(2):
git clone https://github.com/f8-arch/doc.git f8-doc && cd f8-doc
docker run --rm -v "$(pwd)":/data fabtesta/ubuntu-xelatex make # or any other container with XeLaTeX that you trust
xdg-open manual.pdf
The future is now, old man.