Update links to Puppet docs
Update links to Puppet docs

Fixes https://github.com/voxpupuli/puppetboard/issues/486
johnzimm/xx-puppetboard,johnzimm/puppetboard,voxpupuli/puppetboard,puppet-community/puppetboard,johnzimm/puppetboard,puppet-community/puppetboard,grandich/puppetboard,grandich/puppetboard,voxpupuli/puppetboard,johnzimm/xx-puppetboard,voxpupuli/puppetboard,grandich/puppetboard,grandich/puppetboard,johnzimm/puppetboard,puppet-community/puppetboard,johnzimm/xx-puppetboard,johnzimm/xx-puppetboard