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/namespace-dev.json

@@ -0,0 +1,10 @@
+{
+  "kind": "Namespace",
+  "apiVersion": "v1",
+  "metadata": {
+    "name": "development",
+    "labels": {
+      "name": "development"
+    }
+  }
+}