Seventh Korean l10n work for release 1.18

- Translate reference/command-line-tools-reference/feature-gates.md int… (#22240)
- Fix issue of broken links to translated docs (#22105)
- Fix issue of document link in some ko documents (#22379)
- Translate tasks/administer-cluster/access-cluster-services.md into Ko… (#21776)
- Fix issue with 'Linux' and 'Windows' notation in Korean docs (#22362)
- Fix issue of broken links to translated docs #2 (#22270)
- Fix issue with k8s.io/ko/docs/concepts/overview/kubernetes-api.md (#22261)
- Fix issue with k8s.io/ko/docs/concepts/overview/working-with-objects/ (#22263)
- Fix incorrect notation of 'directory' into Korean (#22155)
- Fix issue with k8s.io/ko/docs/concepts/overview/components.md (#22232)
- Update outdated files in dev-1.18-ko.7 (#22128)
- Modify spacing term ReplicaSet in Korean (#22148)
- Translate tasks/administer-cluster/extended-resource-node.md into Korean (#21849)
- Translate tasks/administer-cluster/access-cluster-api.md into Korean (#21730)

Co-authored-by: Jerry Park <jaehwa@gmail.com>
Co-authored-by: woopyoung <ywp041@gmail.com>
Co-authored-by: coolguyhong <podolsmith@naver.com>
Co-authored-by: PyungHo Yoon <learder@gmail.com>
Co-authored-by: Seokho Son <shsongist@gmail.com>
Co-authored-by: jmyung <jesang.myung@gmail.com>
Co-authored-by: Ian Y. Choi <ianyrchoi@gmail.com>

content/ko/docs/tutorials/configuration/configure-redis-using-configmap.md

@@ -15,7 +15,7 @@ content_type: tutorial
 * 다음을 포함하는 `kustomization.yaml` 파일을 생성한다.
   * 컨피그 맵 생성자
   * 컨피그 맵을 사용하는 파드 리소스
-* `kubectl apply -k ./`를 실행하여 작업한 디렉토리를 적용한다.
+* `kubectl apply -k ./`를 실행하여 작업한 디렉터리를 적용한다.
 * 구성이 잘 적용되었는지 확인한다.
 
 
@@ -65,7 +65,7 @@ resources:
 EOF
 ```
 
-컨피그 맵과 파드 개체를 생성하도록 kustomization 디렉토리를 적용한다.
+컨피그 맵과 파드 개체를 생성하도록 kustomization 디렉터리를 적용한다.
 
 ```shell
 kubectl apply -k .