zh_Trans: Fix preview issue (#11311)

* zh_trans: kubeadm-upgrade-1-12.md

* update file

* Update _index.md

* Delete _index.md

* Update kubeadm-upgrade-1-12.md

* zh_trans: docs/reference/setup-tools/kubeadm/generated/kubeadm_config.md

* Update kubeadm_config.md

* zh_trans: fix Preview

* zh_trans: fix Preview

content/zh/examples/application/deployment-patch.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
+kind: Deployment
+metadata:
+  name: patch-demo
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: patch-demo-ctr
+        image: nginx
+      tolerations:
+      - effect: NoSchedule
+        key: dedicated
+        value: test-team