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- Update outdated files in dev-1.18-ko.6 partly (#21714)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- update outdated docs (#21940)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- Update to Outdated files in the dev-1.18-ko.6 branch - (1/4) (#21911)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- Update outdated dev-1.18-ko.6 partly (#22067)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/configure-pod-container/configure-pod-initialization.md

@@ -1,22 +1,23 @@
 ---
 title: 초기화 컨테이너에 대한 구성
-content_template: templates/task
+content_type: task
 weight: 130
 ---
 
-{{% capture overview %}}
+<!-- overview -->
 이 페이지는 애플리케이션 실행 전에 파드를 초기화하기 위해 어떻게 초기화 컨테이너를
 구성해야 하는지 보여준다.
 
-{{% /capture %}}
 
-{{% capture prerequisites %}}
+
+## {{% heading "prerequisites" %}}
+
 
 {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
 
-{{% /capture %}}
 
-{{% capture steps %}}
+
+<!-- steps -->
 
 ## 초기화 컨테이너를 갖는 파드 생성
 
@@ -78,9 +79,10 @@ init-demo 파드 내 실행 중인 nginx 컨테이너의 셸을 실행한다.
       <p>Kubernetes is open source giving you the freedom to take advantage ...</p>
       ...
 
-{{% /capture %}}
 
-{{% capture whatsnext %}}
+
+## {{% heading "whatsnext" %}}
+
 
 * [같은 파드 내 실행 중인 컨테이너들간 통신](/ko/docs/tasks/access-application-cluster/communicate-containers-same-pod-shared-volume/)에
 대해 배우기.
@@ -88,4 +90,6 @@ init-demo 파드 내 실행 중인 nginx 컨테이너의 셸을 실행한다.
 * [볼륨](/ko/docs/concepts/storage/volumes/)에 대해 배우기.
 * [초기화 컨테이너 디버깅](/docs/tasks/debug-application-cluster/debug-init-containers/)에 대해 배우기.
 
-{{% /capture %}}
+
+
+