first copy from openptv-python/docs/build/html

added .nojekyll
in openptv-python/docs run

>> make html

then move the stuff into this directory:

cd ~/Documents/PTV/docs
git checkout gh-pages
mv ~/Documents/PTV/openptv-python/build/html/* .
git add .
git commit -m "added new html"
git push origin gh-pages