Create gatsby-style-guide (#2480)
Create gatsby-style-guide (#2480)

* Create gatsby-style-guide

* Rename gatsby-style-guide to gatsby-style-guide.md

* Update gatsby-style-guide.md

* Update gatsby-style-guide.md

* Update gatsby-style-guide.md

* suggested sample titles and folder names

danielfarrell/gatsby,fabrictech/gatsby,0x80/gatsby,Khaledgarbaya/gatsby,fk/gatsby,gatsbyjs/gatsby,Khaledgarbaya/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,mickeyreiss/gatsby,fabrictech/gatsby,mickeyreiss/gatsby,ChristopherBiscardi/gatsby,danielfarrell/gatsby,mingaldrichgan/gatsby,fabrictech/gatsby,mingaldrichgan/gatsby,fk/gatsby,danielfarrell/gatsby,fk/gatsby,0x80/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,0x80/gatsby,mickeyreiss/gatsby,mingaldrichgan/gatsby,Khaledgarbaya/gatsby