Add missing propTypes
Add missing propTypes

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