Add annotation in produced HTML for the language used

[colelawrence]

I am building a docs site with contentful and I would like to be able to see what language was actually used to produce the React .ch-code-scroll-parent element. Something like a data-ch-language="ts" would be extraordinary for my use-case, where I need to be able to read code blocks off of my own page coming out of the MDX content, so I can insert their source code contents into a demo iframe.

Thanks!

[pomber]

Sure, seems like a good attribute to have. I'll try to add it in the next version.

[pomber]

Released in v0.7.3-next.3