[DOC-2373] adds js samples to match search-quickstart md (#2538)

* [DOC-2373] adds js samples to match search-quickstart md

* Fixes step matching for the Search quickstart

* Update search-quickstart.js

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Co-authored-by: Justin Castilla <pxlperfection@gmail.com>
Co-authored-by: Elena Kolevska <elena@kolevska.com>
Co-authored-by: Leibale Eidelman <me@leibale.com>