ServiceStructure doesn't report scopes for (*-style comments

[baronfel]

Is your feature request related to a problem? Please describe.

Per https://github.com/dotnet/fsharp/blob/master/src/fsharp/service/ServiceStructure.fs#L628 (and my sample tests using the code) the structure service doesn't understand the ocaml-style (* *) code comments.

Describe the solution you'd like
I'd like the structure service to learn to parse these comments into scopes as well.

Describe alternatives you've considered
A manual second-layer of parsing over the text to find and report (* comment scopes.

Additional context
Here's some sample comments in VSCode, where I'm using the StructureService to report folding ranges. You can see the little down-caret for the triple slash and double-slash comments. None for poor, sad ol' ocaml comments.

[cartermp]

Took a quick look, it'll require restructuring the existing ad-hoc parsing of the comments done to also try and fine the end comment bracket. Kinda icky,

[baronfel]

That was my take on it too. I'd like to take a pass at it, perhaps this weekend.

[kerams]

This has been completed in #14808.