Thx for the link, hadn't seen it! Had already started adding a few lines of text and images that I can copy over once I fork the EspruinoDocs-repository. Seems to be pretty straightforward to use.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Ok, great! Did you see this already? http://www.espruino.com/Writing+Tutorials
There's a note in there about how to handle images too