[zh] Update configure pod configmap

This PR resyncs the configure-pod-configmap page, and translates the comments in the reference example YAML files.

content/zh/examples/pods/pod-configmap-volume.yaml

@@ -13,7 +13,6 @@ spec:
   volumes:
     - name: config-volume
       configMap:
-        # Provide the name of the ConfigMap containing the files you want
-        # to add to the container
+        # 提供包含要添加到容器中的文件的 ConfigMap 的名称
         name: special-config
   restartPolicy: Never

content/zh/examples/pods/pod-single-configmap-env-variable.yaml

@@ -8,12 +8,12 @@ spec:
       image: k8s.gcr.io/busybox
       command: [ "/bin/sh", "-c", "env" ]
       env:
-        # Define the environment variable
+        # 定义环境变量
         - name: SPECIAL_LEVEL_KEY
           valueFrom:
             configMapKeyRef:
-              # The ConfigMap containing the value you want to assign to SPECIAL_LEVEL_KEY
+              # ConfigMap 包含你要赋给 SPECIAL_LEVEL_KEY 的值
               name: special-config
-              # Specify the key associated with the value
+              # 指定与取值相关的键名
               key: special.how
   restartPolicy: Never