Directly link to contributing docs in README
Directly link to contributing docs in README

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