Add documentation for the /fact-names route
Add documentation for the /fact-names route

puppetlabs/puppetdb,nfagerlund/puppetdb,johnduarte/puppetdb,rbrw/puppetdb,waynr/puppetdb,johnduarte/puppetdb,grimradical/puppetdb,shrug/puppetdb,kbrezina/puppetdb,wkalt/puppetdb,rbrw/puppetdb,senior/puppetdb,shrug/puppetdb,jantman/puppetdb,kbrezina/puppetdb,mullr/puppetdb,senior/puppetdb,johnduarte/puppetdb,kbrezina/puppetdb,jantman/puppetdb,ajroetker/puppetdb,melissa/puppetdb,kbrezina/puppetdb,melissa/puppetdb,kbarber/puppetdb,shrug/puppetdb,nfagerlund/puppetdb,grimradical/puppetdb,puppetlabs/puppetdb,melissa/puppetdb,johnduarte/puppetdb,highb/puppetdb,mullr/puppetdb,github/puppetlabs-puppetdb,github/puppetlabs-puppetdb,senior/puppetdb,cprice404/puppetdb,mullr/puppetdb,kbarber/puppetdb,ajroetker/puppetdb,waynr/puppetdb,grimradical/puppetdb,wkalt/puppetdb,puppetlabs/puppetdb,highb/puppetdb,highb/puppetdb,jantman/puppetdb,waynr/puppetdb,rbrw/puppetdb,highb/puppetdb,kbarber/puppetdb,kbarber/puppetdb,shrug/puppetdb,puppetlabs/puppetdb,waynr/puppetdb,cprice404/puppetdb,wkalt/puppetdb,nfagerlund/puppetdb,ajroetker/puppetdb,grimradical/puppetdb,github/puppetlabs-puppetdb,puppetlabs/puppetdb,ajroetker/puppetdb,senior/puppetdb,mullr/puppetdb,rbrw/puppetdb,mullr/puppetdb,wkalt/puppetdb,cprice404/puppetdb,rbrw/puppetdb