Travis CI setup

[mghpcsim]

once the github pages has been migrated to an org or project page, we can then set up travis CI to build the hugo website

few example setups:

• https://medium.com/swlh/hosting-a-hugo-blog-on-github-pages-with-travis-ci-e74a1d686f10
• https://www.sidorenko.io/post/2018/12/hugo-on-github-pages-with-travis-ci/
• https://creaturesurvive.github.io/repo/blog/hugo-on-github-pages-using-travis-ci-for-deployment/

[koomie]

If we are satisfied with the use of Jekyll, we can probably close this as we get the build on check-in for free as part of github pages.