print: breaking long lines and general compatibility with prettier

[IvanGoncharov]

Currently, Prettier doing a way better job at formating GraphQL documents than our own print we should learn more on how they handle the different cases and copy everything that makes sense.
Splitting long lines would be a good first starting point.

Inspired by #1557

[yaacovCR]

@mjmahone in #1799 argues that print should stay as performant as possible, and separate prettyPrint should print prettily