If you make commits on a branch named gh-pages, you'll be able to view this file directly on github.
[$]> git co -b gh-pages # Create and switch to a new branch named gh-pages
[$]> git b -d master # Delete your local copy of master
[$]> git push # Push gh-pages to Github
[$]> git push origin :master # Delete Github's copy of master
If you make commits on a branch named gh-pages, you'll be able to view this file directly on github.