chore(docs): Updated with Windows Configuration (#20361)
chore(docs): Updated with Windows Configuration (#20361)

* Updated with Windows Configuration

Added SET GATSBY_GRAPHQL_IDE=playground&gatsby develop as the configuration needed to make it work in Windows.

* Changed SET for cross-env

* Update docs/docs/using-graphql-playground.md

Tried it out and worked too

Co-Authored-By: Vladimir Razuvaev <74660ff6d5de32a8d51ffe3aa15b88b31c91b82d@gmail.com>

Co-authored-by: LB <8468275f0d120527324004754c3d088324306866@gatsbyjs.com>
Co-authored-by: Vladimir Razuvaev <74660ff6d5de32a8d51ffe3aa15b88b31c91b82d@gmail.com>

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