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/podpreset/proxy.yaml

@@ -0,0 +1,14 @@
+apiVersion: settings.k8s.io/v1alpha1
+kind: PodPreset
+metadata:
+  name: proxy
+spec:
+  selector:
+    matchLabels:
+      role: frontend
+  volumeMounts:
+    - mountPath: /etc/proxy/configs
+      name: proxy-volume
+  volumes:
+    - name: proxy-volume
+      emptyDir: {}