Git Pages - web site for http://variationalform.github.io
583 git add .gitignore
591 git add courses_FML_pdf
592 git status
593 git commit -m 'message'
598 git subtree push --prefix courses_FML_pdf origin gh-pages
602 git add *
604 git push
use this for subfolders
git subtree push --prefix courses_FML_pdf origin gh-pages
taken from https://blog.raw.pm/en/deploying-subfolder-github-pages on 10 jan 2023.