Right now `LaunchButton` [assumes there will always be a URL](https://github.com/crossplatform-dev/crossplatform.dev/blob/37fb4ad174ee6b1dae649ad83f5e9c95495e14a0/src/components/LaunchButton.jsx#L11). The problem is that we might not have gists for all the demos and thus we cannot "templatize" this.