Convert site to Hugo (#8316)

This commit converts content and layout to use Hugo.

content/en/docs/tasks/configure-pod-container/share-process-namespace.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx
+spec:
+  shareProcessNamespace: true
+  containers:
+  - name: nginx
+    image: nginx
+  - name: shell
+    image: busybox
+    securityContext:
+      capabilities:
+        add:
+        - SYS_PTRACE
+    stdin: true
+    tty: true