Add rtype docs
Add rtype docs

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