Update high-availability.md (#8783)

Fix indentation damaged etcd YAML manifest

content/en/docs/setup/independent/high-availability.md

@@ -295,7 +295,23 @@ Please select one of the tabs to see installation instructions for the respectiv
    spec:
      containers:
      - command:
-       - etcd --name <name> - --data-dir /var/lib/etcd - --listen-client-urls http://localhost:2379 - --advertise-client-urls http://localhost:2379 - --listen-peer-urls http://localhost:2380 - --initial-advertise-peer-urls http://localhost:2380 - --cert-file=/certs/server.pem - --key-file=/certs/server-key.pem - --client-cert-auth - --trusted-ca-file=/certs/ca.pem - --peer-cert-file=/certs/peer.pem - --peer-key-file=/certs/peer-key.pem - --peer-client-cert-auth - --peer-trusted-ca-file=/certs/ca.pem - --initial-cluster etcd0=https://<etcd0-ip-address>:2380,etcd1=https://<etcd1-ip-address>:2380,etcd2=https://<etcd2-ip-address>:2380 - --initial-cluster-token my-etcd-token - --initial-cluster-state new
+       - etcd --name <name> 
+       - --data-dir /var/lib/etcd 
+       - --listen-client-urls http://localhost:2379 
+       - --advertise-client-urls http://localhost:2379 
+       - --listen-peer-urls http://localhost:2380 
+       - --initial-advertise-peer-urls http://localhost:2380 
+       - --cert-file=/certs/server.pem 
+       - --key-file=/certs/server-key.pem 
+       - --client-cert-auth 
+       - --trusted-ca-file=/certs/ca.pem 
+       - --peer-cert-file=/certs/peer.pem 
+       - --peer-key-file=/certs/peer-key.pem 
+       - --peer-client-cert-auth 
+       - --peer-trusted-ca-file=/certs/ca.pem 
+       - --initial-cluster etcd0=https://<etcd0-ip-address>:2380,etcd1=https://<etcd1-ip-address>:2380,etcd2=https://<etcd2-ip-address>:2380 
+       - --initial-cluster-token my-etcd-token 
+       - --initial-cluster-state new
        image: k8s.gcr.io/etcd-amd64:3.1.10
        livenessProbe:
          httpGet: