dev-integration-test: add etcd notes
dev-integration-test: add etcd notes

Signed-off-by: Stephan Renatus <3d1a7d0a294b6d8e799ad6e122143905f17f9530@chef.io>

coreos/dex,wolfeidau/dex,wolfeidau/dex,ericchiang/dex,coreos/dex,ericchiang/dex,wolfeidau/dex,ericchiang/dex,coreos/dex