Merge release 1.14 into 1.15. (#16439)

1. Confirm the document content is similar as en version.
2. Merge the zh release-1.14 version into 1.15 version
3. add the 1.14 all sample into 1.15 for template work. The build looks fine.

- docs
  - concepts
    - architecture

content/zh/examples/admin/cloud/pvl-initializer-config.yaml

@@ -0,0 +1,13 @@
+kind: InitializerConfiguration
+apiVersion: admissionregistration.k8s.io/v1alpha1
+metadata:
+  name: pvlabel.kubernetes.io
+initializers:
+  - name: pvlabel.kubernetes.io
+    rules:
+    - apiGroups:
+      - ""
+      apiVersions:
+      - "*"
+      resources:
+      - persistentvolumes