doc: guide/topic on how to use streams
From the discussion at NIEU2016 it emerged that the streams docs is not user friendly, and too focused on people that already know how to compose applications using streams. They describe the API, not how to use node streams in practice. In particular, it does not highlight the use of "streams modules": through2, from2, flush-write-stream, split2, pump, end-of-stream, duplexify, bl, etc.. and most of the things that are exposed via https://github.com/maxogden/mississippi. Moreover, it does not clarify how the API exposed to core fits in the picture, and how to build applications on streams.
The work done by @substack
on the streams handbook is a great starting point: https://github.com/substack/stream-handbook.
cc @nodejs/streams
@nodejs/documentation