Implement formatter

[Aralox]

There doesn't appear to be any available vscode extension that is capable of formatting turtle files. I saw that the formatter in the stardog extension was stubbed out at one point (40198f5) - are there plans to implement it?
Thanks!

PS: Permissions seem to be a little dodgy for this repo - I can't access a large part of the repo's source (anything in the master branch), I get a 404.

[jeswr]

I second this feature request - node the easiest way to do this would probably be just to parse and then re-serialize the file using something like https://github.com/rdfjs-base/serializer-turtle.

I would also appreciate this for the other syntaxes. In the case of SPARQL it could be parsed and re-serialized using https://github.com/joachimvh/SPARQLAlgebra.js