[ja] add volume and volumeMount for ephemeral storage

content/ja/docs/concepts/configuration/manage-resources-containers.md

@@ -270,6 +270,9 @@ spec:
         ephemeral-storage: "2Gi"
       limits:
         ephemeral-storage: "4Gi"
+    volumeMounts:
+      - name: ephemeral
+        mountPath: "/tmp"
   - name: log-aggregator
     image: images.my-company.example/log-aggregator:v6
     resources:
@@ -277,6 +280,12 @@ spec:
         ephemeral-storage: "2Gi"
       limits:
         ephemeral-storage: "4Gi"
+    volumeMounts:
+      - name: ephemeral
+        mountPath: "/tmp"
+  volumes:
+    - name: ephemeral
+      emptyDir: {}
 ```
 
 ### エフェメラルストレージを要求するPodのスケジュール方法