Useful for later:
Changing themes: https://help.github.com/articles/creating-a-github-pages-site-with-the-jekyll-theme-chooser/
Creating pages in Jekyll: https://jekyllrb.com/docs/pages/
Blog posts in Jekyll: https://jekyllrb.com/docs/posts/
Markdown syntax: https://daringfireball.net/projects/markdown/syntax