Feature Request: string substitution / css

[bkdotcom]

https://developer.mozilla.org/en-US/docs/Web/API/console#Using_string_substitutions

ie with chromelogger, I'd use %c to style alert/critical with extra callout emphasis

[mindplay-dk]

This is a pretty substantial effort and not something I'm personally motivated to undertake. I'm flagging this as "PR welcome".

(I briefly looked around on NPM and did not find a package for this - probably the best source of reference is the implementation in DevTools, although this is more complex than what we need, since it has to support many native JS types beyond just the simple JSON data-types.)