gh-pages

Push to ghpages

### Push
git subtree push --prefix dist origin gh-pages

### Force
git subtree split --prefix dist -b gh-pages; git push -f origin gh-pages:gh-pages; git branch -D gh-pages;

### Force (detailed)
git checkout master # you can avoid this line if you are in master...
git subtree split --prefix dist -b gh-pages # create a local gh-pages branch containing the splitted output folder
git push -f origin gh-pages:gh-pages # force the push of the gh-pages branch to the remote gh-pages branch at origin
git branch -D gh-pages # delete the local gh-pages because you will need it: ref