git submodule add -b master [email protected]:practical-kubernetes/practical-kubernetes.github.io.git public
https://github.com/practical-kubernetes/hugo-theme-jane
https://gohugo.io/hosting-and-deployment/hosting-on-github/
https://blog.github.com/2016-02-01-working-with-submodules/ https://gist.github.com/gitaarik/8735255
Casper Two https://themes.gohugo.io/hugo-casper-two/