Real World example app
Hey folks — @dimonnwc3 created a Koa [RealWorld](https://github.com/gothinkster/realworld) implementation and we're looking for a Koa community member to approve [his codebase]( https://github.com/gothinkster/realworld/issues/49) before officially listing it on our README (to ensure the code follows all relevant Koa best practices, style guides, etc).

Would someone be able to give his codebase a quick look-over and 👍  or 👎 ? Thanks!

