I also was a bit confused, because I mistook this for coming from Readme.io, which is on GitHub at https://github.com/readmeio https://github.com/readmeio, and

I also was a bit confused, because I mistook this for coming from Readme.io, which is on GitHub at https://github.com/readmeio https://github.com/readmeio, and I thought about how the heck they convinced GitHub to add a custom design for their repository.