doc: mention node:stream/consumers in stream overview

Adds a reference to the node:stream/consumers utility functions in the main stream documentation to improve discoverability.

Refs: #62535

Author: NinadUbale

doc/api/stream.md

@@ -30,7 +30,6 @@ For common tasks like reading a stream into a string or buffer, the
 convenient utility functions.
 
 ## Organization of this document
-
 This document contains two primary sections and a third section for notes. The
 first section explains how to use existing streams within an application. The
 second section explains how to create new types of streams.