This is the project that contains the express backend for authors to create vis and perform other admin tasks. The backend also contains some development apis and tools.
package.json contains a one liner for starting the admin server.
Although we bake our site to static files and serve via a CDN, we still want a dynamic way to serve all of our routes for faster development and testing. So we have the mockSiteRouter, which is roughly the dynamic version of our static site.