I made the <air-horner> custom element to learn more about the web component ecosystem and how to deploy them at scale. I don't expect this to be used by anyone, but it helped me set a direction for my team in how we try and support and plan for a web component future. I learn't a couple of significant things: We don't know how to deploy these at scale yet. With HTML Imports going away, at the time of writing we don't have a good way of including templates that are anything but strings in Jav...