Update code-of-conduct.md
Update code-of-conduct.md

Refer to kubernetes/community as authoritative source for code of conduct

michelleN/deployment-manager,appscode/helm,eicnix/helm,technosophos/deployment-manager,technosophos/k8s-helm,fibonacci1729/helm,michelleN/deployment-manager,bacongobbler/helm,fibonacci1729/helm,adamreese/deployment-manager,jascott1/helm,helm/helm,helm/helm,adamreese/deployment-manager,adamreese/deployment-manager,technosophos/deployment-manager,jascott1/helm,technosophos/k8s-helm,technosophos/deployment-manager,technosophos/deployment-manager,adamreese/helm,SlickNik/helm,michelleN/deployment-manager,adamreese/helm,michelleN/deployment-manager,adamreese/deployment-manager,bacongobbler/helm,appscode/helm,technosophos/deployment-manager,adamreese/deployment-manager,SlickNik/helm,eicnix/helm