Update Readme with information for multiple spaces (#21740)
Update Readme with information for multiple spaces (#21740)

* Update Readme with information for multiple spaces

Added in an explanation for sourcing from multiple Contentful environments/spaces. This is a topic I have seen come up multiple times in the community so I thought it warranted adding it here.

* Update README.md

* Update packages/gatsby-source-contentful/README.md

Co-Authored-By: LB <8468275f0d120527324004754c3d088324306866@gatsbyjs.com>

* Update packages/gatsby-source-contentful/README.md

Co-Authored-By: Khaled Garbaya <107abd877da477d6f39b8505c00fdf77046985e8@gmail.com>

* chore: format

* Update README.md

Added ` to gatsby-config.js

Co-authored-by: LB <8468275f0d120527324004754c3d088324306866@gatsbyjs.com>
Co-authored-by: Khaled Garbaya <107abd877da477d6f39b8505c00fdf77046985e8@gmail.com>
Co-authored-by: gatsbybot <313a651c59fdaade90d152972001707d94b0975c@gmail.com>
gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby