issue about etcd bootstrap

[ermazi]

kubernetes-the-hard-way/docs/07-bootstrapping-etcd.md

Line 41 in 52eb26d

cp ca.crt kube-api-server.key kube-api-server.crt \

Why is it necessary to copy the apiserver's certificate to the /etc/etcd directory? Our etcd does not have TLS enabled.

[ermazi]

updated in #875