Add reference to docker image
Add reference to docker image

bluecmd/puppetboard,johnzimm/xx-puppetboard,holstvoogd/puppetboard,voxpupuli/puppetboard,johnzimm/puppetboard,tparkercbn/puppetboard,tparkercbn/puppetboard,voxpupuli/puppetboard,tparkercbn/puppetboard,johnzimm/xx-puppetboard,stoyansbg/puppetboard,johnzimm/puppetboard,james-powis/puppetboard,bluecmd/puppetboard,bewiwi/puppetboard,puppet-community/puppetboard,puppet-community/puppetboard,stoyansbg/puppetboard,mterzo/puppetboard,bewiwi/puppetboard,grandich/puppetboard,grandich/puppetboard,grandich/puppetboard,voxpupuli/puppetboard,holstvoogd/puppetboard,stoyansbg/puppetboard,tjayl/puppetboard,puppet-community/puppetboard,james-powis/puppetboard,mterzo/puppetboard,johnzimm/xx-puppetboard,bewiwi/puppetboard,holstvoogd/puppetboard,tjayl/puppetboard,johnzimm/xx-puppetboard,bluecmd/puppetboard,johnzimm/puppetboard,mterzo/puppetboard,james-powis/puppetboard,tparkercbn/puppetboard,tjayl/puppetboard,mterzo/puppetboard,grandich/puppetboard