Sixth Korean l10n work for release 1.18

- Update outdated files in dev-1.18-ko.6 partly (#21714)
- Translate StorageClass to Korean word (#21805)
- Translate StatefulSet to Korean word in pods.md (#21794)
- Translate tasks/run-application/delete-stateful-set/ in Korean (#21686)
- Translate tasks/administer-cluster/change-default-storage-class in Korean (#21801)
- update outdated docs (#21940)
- Modify spacing term StatefulSet in Korean (#21871)
- Translate /tasks/administer-cluster/coredns in Korean (#21876)
- Fix typo in k8s.io/ko/docs/contribute/new-content/new-content/ (#21975)
- Translation error correction in /concepts/containers/runtime-class.md (#21868)
- Translate tasks/tls/certificate-rotation/ in Korean (#21838)
- Translate /tasks/configure-pod-container/static-pod in Korean (#21798)
- Update to Outdated files in the dev-1.18-ko.6 branch - (1/4) (#21911)
- Fix English bugs in Korean documentation (#21994)
- Update outdated dev-1.18-ko.6 partly (#22067)

Co-authored-by: Jerry Park <jaehwa@gmail.com>
Co-authored-by: PyungHo Yoon <learder@gmail.com>
Co-authored-by: Yuk, Yongsu <ysyukr@gmail.com>
Co-authored-by: Jerry Park <jaehwa@gmail.com>
Co-authored-by: Seokho Son <shsongist@gmail.com>
Co-authored-by: Jordy Ruiter <jordy.ruiter@gmail.com>
Co-authored-by: bluefriday <bluefriday86@gmail.com>
Co-authored-by: Dajin Gwon <d.gweon@samsung.com>
Co-authored-by: Hyungseok Lee <hs0426.lee@samsung.com>
Co-authored-by: Jihoon Seo <jihoon.seo@etri.re.kr>
Co-authored-by: coolguyhong <podolsmith@naver.com>
Co-authored-by: jmyung <jesang.myung@gmail.com>
Co-authored-by: June Yi <june.yi@samsung.com>

content/ko/docs/tasks/manage-kubernetes-objects/declarative-config.md

@@ -65,7 +65,7 @@ weight: 10
 kubectl apply -f <디렉터리>/
 ```
 
-이것은  각 오브젝트에 대해 `kubectl.kubernetes.io/last-applied-configuration: '{...}'`
+이것은 각 오브젝트에 대해 `kubectl.kubernetes.io/last-applied-configuration: '{...}'`
 어노테이션을 설정한다. 해당 어노테이션은 오브젝트를 생성하기 위해 사용했던
 오브젝트 구성 파일의 내용을 포함한다. 
 
@@ -78,9 +78,11 @@ kubectl apply -f <디렉터리>/
 {{< codenew file="application/simple_deployment.yaml" >}}
 
 생성될 오브젝트를 출력하려면 `kubectl diff`를 실행한다. 
+
 ```shell
 kubectl diff -f https://k8s.io/examples/application/simple_deployment.yaml
 ```
+
 {{< note >}}
 `diff`는 `kube-apiserver`의 활성화가 필요한
 [서버사이드 dry-run](/docs/reference/using-api/api-concepts/#dry-run)을 사용한다.
@@ -1000,8 +1002,10 @@ template:
 
 ## {{% heading "whatsnext" %}}
 
+
 * [명령형 커맨드 사용하여 쿠버네티스 오브젝트 관리하기](/ko/docs/tasks/manage-kubernetes-objects/imperative-command/)
 * [구성 파일 사용하여 쿠버네티스 오브젝트 관리하기](/ko/docs/tasks/manage-kubernetes-objects/imperative-config/)
 * [Kubectl 명령어 참조](/docs/reference/generated/kubectl/kubectl/)
 * [쿠버네티스 API 참조](/docs/reference/generated/kubernetes-api/{{< param "version" >}}/)
 
+

content/ko/docs/tasks/manage-kubernetes-objects/imperative-command.md

@@ -164,8 +164,10 @@ kubectl create --edit -f /tmp/srv.yaml
 
 ## {{% heading "whatsnext" %}}
 
+
 * [오브젝트 구성을 이용하여 쿠버네티스 관리하기(명령형)](/ko/docs/tasks/manage-kubernetes-objects/imperative-config/)
 * [오브젝트 구성을 이용하여 쿠버네티스 관리하기(선언형)](/ko/docs/tasks/manage-kubernetes-objects/declarative-config/)
 * [Kubectl 커맨드 참조](/docs/reference/generated/kubectl/kubectl/)
 * [쿠버네티스 API 참조](/docs/reference/generated/kubernetes-api/{{< param "version" >}}/)
 
+

content/ko/docs/tasks/manage-kubernetes-objects/imperative-config.md

@@ -147,8 +147,10 @@ template:
 
 ## {{% heading "whatsnext" %}}
 
+
 * [명령형 커맨드를 이용한 쿠버네티스 오브젝트 관리하기](/ko/docs/tasks/manage-kubernetes-objects/imperative-command/)
 * [오브젝트 구성을 이용하여 쿠버네티스 오브젝트 관리하기 (선언형)](/ko/docs/tasks/manage-kubernetes-objects/declarative-config/)
 * [Kubectl 커멘드 참조](/docs/reference/generated/kubectl/kubectl/)
 * [쿠버네티스 API 참조](/docs/reference/generated/kubernetes-api/{{< param "version" >}}/)
 
+