How to do web hosting using github

I have a project which is just HTML/JS/CSS. Here is index.html https://raw.github.com/nsisodiya/2x2-workspace-using-html5/master/index.html

When I try to open it, it show it as Text file. I want HTML and not text.. Every time I need to update anything in Repo, I h开发者_开发知识库ave to copy whole repo on my server to show a running demo.

What should I do?

You could use github pages and here is how to do it: http://pages.github.com/