Travis.yml basic for github pages ruby gem

.travis.yml

language: ruby
script: "bundle exec jekyll build"

# whitelist
branches:
  only:
    - gh-pages

README.md

Github pages basic travis-Ci .travis.yml

language: ruby
script: "bundle exec jekyll build"

# whitelist
branches:
  only:
    - gh-pages

This is the most basic, with added white list for gh-pages cos Travis doesn't usually build that branch.