Convert site to Hugo (#8316)

This commit converts content and layout to use Hugo.

content/en/docs/getting-started-guides/windows/secret-pod.yaml

@@ -0,0 +1,32 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: mysecret
+type: Opaque
+data:
+  username: YWRtaW4=
+  password: MWYyZDFlMmU2N2Rm
+
+---
+
+apiVersion: v1
+kind: Pod
+metadata:
+  name: mypod-secret
+spec:
+  containers:
+  - name: mypod-secret
+    image: redis:3.0-nanoserver
+    env:
+      - name: USERNAME
+        valueFrom:
+          secretKeyRef:
+            name: mysecret
+            key: username
+      - name: PASSWORD
+        valueFrom:
+          secretKeyRef:
+            name: mysecret
+            key: password
+  nodeSelector:
+    beta.kubernetes.io/os: windows