After nub api is compiled run:
#n below is the nub release
$ cd nub/distribution/nub-n/reference
$ git init
$ git remote add origin https://github.com/VisualComputing/nub-javadocs
$ git add *
$ git commit -am'init commit'
$ git pull --allow-unrelated-histories origin gh-pages -Xours
$ git push origin main:gh-pages