initial setup for jekyll and github-pages
[TMP] install demo project

TODO: revert this commit!
Merge pull request #1 from Jared-Prime/feature/install_jekyll

Feature/install jekyll
Revert "Feature/install jekyll"
Merge pull request #2 from ChicagoMathLoop/revert-1-feature/install_jekyll

test done. Revert "Feature/install jekyll"