File-Editor: Use Monaco instead of Ace

[ericfranz]

Version 2 of the editor could use Monaco instead of Ace

https://microsoft.github.io/monaco-editor/index.html

This has a diff mode that could be very useful, and auto-complete.

┆Issue is synchronized with this Asana task by Unito

[brianmcmichael]

This would need to have a discussion about cost/benefit.

I'm not sure if the API is as mature as Ace's, and we'd need to decide what could be gained by this versus what we'd lose.

[ericfranz]

Some conversation threads related to monaco vs ace, other can be found https://news.ycombinator.com/item?id=11939557

[ericfranz]

https://github.com/Microsoft/monaco-editor

[johrstrom]

I can't imagine us getting around to this anytime soon, so I'm going to close at this time. We can revisit at some point in the future if cycles free up and we're interested in it again.