Add paragraph about actually deploying to gh-pages
Add paragraph about actually deploying to gh-pages

ChristopherBiscardi/gatsby,gatsbyjs/gatsby,0x80/gatsby,fk/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,chiedo/gatsby,ChristopherBiscardi/gatsby,chiedo/gatsby,danielfarrell/gatsby,Khaledgarbaya/gatsby,rothfels/gatsby,mickeyreiss/gatsby,mickeyreiss/gatsby,mingaldrichgan/gatsby,okcoker/gatsby,0x80/gatsby,okcoker/gatsby,danielfarrell/gatsby,Khaledgarbaya/gatsby,fk/gatsby,mingaldrichgan/gatsby,0x80/gatsby,fabrictech/gatsby,fabrictech/gatsby,Khaledgarbaya/gatsby,chiedo/gatsby,gatsbyjs/gatsby,rothfels/gatsby,mickeyreiss/gatsby,okcoker/gatsby,gesposito/gatsby,Syncano/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,fk/gatsby,gesposito/gatsby,gatsbyjs/gatsby,mingaldrichgan/gatsby,fabrictech/gatsby,danielfarrell/gatsby