Add links to whoami plugin reading material (#1815)
Add links to whoami plugin reading material (#1815)

* Add links to whoami plugin reading material

* create See Also section

johnbelamaric/coredns,yongtang/coredns,chrisohaver/coredns,ii/coredns,miekg/coredns,coredns/coredns,jremond/coredns,johnbelamaric/coredns,miekg/coredns,jremond/coredns,ii/coredns