Added github pages docs (#3268)
Added github pages docs (#3268)

* added github pages docs

* format

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