This will allow the online editor to load imports from URL asynchroniously later
Since currently the compiler is only working on a single thread, and that we
never await on a future that could block, it is allowed to use the spin_on executor
Our language reference .md file contains a refernce to
builtin_elements.md. Since rustdoc doesn't further process the embedded
markdown file, the .md link remains as-is and is broken. But we can fix
it up using a small snippet of JavaScript.
Fixes#87
By specifying the CORS-friendly github raw url as base url for the interpreter,
we can load images using relative paths.
According to the inspector the image is loaded successfully,
so what seems to be left to fix is an event loop related issue.