If you guys are having trouble finding where your newly created files are, visit this link: https://github.com/EID100/2013-winter/tree/gh-pages/pages
Find your uniquely named folder here and click on it. Then click on index.htm and "Edit" your file if need be.
Once you're happy with your page, add it to the list using this guide: https://github.com/EID100/2013-winter/wiki/Chapter-07:-How-can-I-put-my-webpage-online%3F#step-four-add-your-webpage-to-the-list