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- Update outdated files in dev-1.18-ko.6 partly (#21714)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- update outdated docs (#21940)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- Update to Outdated files in the dev-1.18-ko.6 branch - (1/4) (#21911)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- Update outdated dev-1.18-ko.6 partly (#22067)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/reference/using-api/api-overview.md

@@ -83,7 +83,7 @@ API 버전의 차이는 수준의 안정성과 지원의 차이를 나타낸다.
 [사용자 정의 리소스](/docs/concepts/api-extension/custom-resources/)로 API를 확장하는 경우에는 다음 두 종류의 경로가 지원된다.
 
  - 기본적인 CRUD 요구에는
-   [CustomResourceDefinition](/docs/tasks/access-kubernetes-api/extend-api-custom-resource-definitions/)
+   [커스텀리소스데피니션(CustomResourceDefinition)](/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definitions/)
  - 쿠버네티스 API의 의미론적 전체 집합으로 사용자만의 Apiserver를 구현하려는 경우에는 [aggregator](https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/aggregated-api-servers.md)
 
 

content/ko/docs/reference/using-api/client-libraries.md

@@ -47,6 +47,7 @@ Machinery](https://github.com/kubernetes/community/tree/master/sig-api-machinery
 | Go                   | [github.com/ericchiang/k8s](https://github.com/ericchiang/k8s) |
 | Java (OSGi)          | [bitbucket.org/amdatulabs/amdatu-kubernetes](https://bitbucket.org/amdatulabs/amdatu-kubernetes) |
 | Java (Fabric8, OSGi) | [github.com/fabric8io/kubernetes-client](https://github.com/fabric8io/kubernetes-client) |
+| Java                 | [github.com/manusa/yakc](https://github.com/manusa/yakc) |
 | Lisp                 | [github.com/brendandburns/cl-k8s](https://github.com/brendandburns/cl-k8s) |
 | Lisp                 | [github.com/xh4/cube](https://github.com/xh4/cube) |
 | Node.js (TypeScript) | [github.com/Goyoo/node-k8s-client](https://github.com/Goyoo/node-k8s-client) |