Add a more useful default error reporter for cljs instrumentation

[dvingo]

Fipp, the pretty printer, is not designed with the browser console in
mind and the output when developing in cljs is not usable.
(Every print call invokes console.log which will result in a new output line per invocation,
instead of all on one line like in a terminal).
This commit allows navigating directly to the callsite where the error occurred via a JavaScript stacktrace.

This should address #675 and #666

I believe we would have to create another pretty printer namespace for ClojureScript that mirrors the malli.dev.pretty namespace but with the browser console in mind to get useful output.

[ikitommi]

Thanks! just now read the issues. I think we could wrap the fipp-printing easily.

just printing

https://github.com/metosin/malli/blob/master/src/malli/dev/pretty.cljc#L75

=> just wrap the results with with-out-str and print that using single js/console.log

throwing

https://github.com/metosin/malli/blob/master/src/malli/dev/pretty.cljc#L83

... it seems that the exception messages don't get pretty printed in console. Maybe just print the message there too (with cljs)

[dvingo]

oh right, that's brilliant!

I am going to close this PR in favor of this one: #681