Add more features to the README
Add more features to the README

miekg/coredns,johnbelamaric/coredns,varyoo/coredns,johnbelamaric/coredns,yongtang/coredns,Infoblox-CTO/coredns,ii/coredns,Infoblox-CTO/coredns,ii/coredns,miekg/coredns,jremond/coredns,coredns/coredns,jremond/coredns,Infoblox-CTO/coredns,chrisohaver/coredns