Add .npmignore to source-drupal plugin so it'll publish
Add .npmignore to source-drupal plugin so it'll publish

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