Feature Request: Local file as img src

Thanks to @mrwatson-de for this idea - use VizHub files as the src of img tags. Here’s an example that shows this not working: https://vizhub.com/curran/7f3dca4b47234e16bcf1649b926a89b6?edit=files&file=index.html

It’s a limitation of https://github.com/datavis-tech/magic-sandbox