First use the GitHub interface to "fork" this repository into your own account. Then do `git clone` of *your* repository to get a local copy. Inside that checkout, do:

This will allow you to `git pull upstream master` in order to get updates. When you create new files, `git add/commit/push` them to *your* repository. (Please do not create pull requests on *my* repository -- unless, of course, you have suggestions for improving my repo!).