Updated content and added link to gh-pages (#7750)
Updated content and added link to gh-pages (#7750)

* Updated content and added link to gh-pages

- Fixed grammar and added notes for clarity

* A few more edits

ChristopherBiscardi/gatsby,0x80/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,mingaldrichgan/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,mingaldrichgan/gatsby,mingaldrichgan/gatsby,0x80/gatsby,0x80/gatsby,ChristopherBiscardi/gatsby