You can easily share any Gist code from GitHub to help show off your coding skills.
- Add a New Project
- Select Add Code Snippet from the sidebar.
- Visit Gist and copy the URL for your code eg: https://gist.github.com/feix/6dd1f62a54c5efa10f1e1c24f8efc417
- Come back to the project builder and paste the full URL into the builder.