document -d domain
document -d domain

Closes: #285 #787

we may want to implement the other thing soon, but for now documenting what we
have

TheBoegl/letsencrypt,thanatos/lets-encrypt-preview,brentdax/letsencrypt,BillKeenan/lets-encrypt-preview,BillKeenan/lets-encrypt-preview,TheBoegl/letsencrypt,wteiken/letsencrypt,VladimirTyrin/letsencrypt,xgin/letsencrypt,twstrike/le_for_patching,mrb/letsencrypt,bsmr-misc-forks/letsencrypt,stweil/letsencrypt,lbeltrame/letsencrypt,brentdax/letsencrypt,VladimirTyrin/letsencrypt,piru/letsencrypt,Sveder/letsencrypt,sjerdo/letsencrypt,Sveder/letsencrypt,xgin/letsencrypt,DavidGarciaCat/letsencrypt,DavidGarciaCat/letsencrypt,piru/letsencrypt,jsha/letsencrypt,martindale/letsencrypt,wteiken/letsencrypt,ghyde/letsencrypt,letsencrypt/letsencrypt,jtl999/certbot,goofwear/letsencrypt,mitnk/letsencrypt,dietsche/letsencrypt,lmcro/letsencrypt,ghyde/letsencrypt,lbeltrame/letsencrypt,kuba/letsencrypt,twstrike/le_for_patching,martindale/letsencrypt,thanatos/lets-encrypt-preview,dietsche/letsencrypt,stweil/letsencrypt,hsduk/lets-encrypt-preview,mitnk/letsencrypt,goofwear/letsencrypt,kuba/letsencrypt,bsmr-misc-forks/letsencrypt,sjerdo/letsencrypt,lmcro/letsencrypt,jtl999/certbot,jsha/letsencrypt,mrb/letsencrypt,letsencrypt/letsencrypt,hsduk/lets-encrypt-preview