Eighth Korean l10n work for release 1.18

- Translate tasks/administer-cluster/declare-network-policy in Korean (#22526)
- Translate tasks/debug-application-cluster/debug-init-containers in Korean (#22608)
- Fix a missing markdown syntax to enable external link (#22661)
- Translate tasks/administer-cluster/change-pv-reclaim-policy in Korean (#22551)
- Update docs/contribute/participate/ for Korean (#22605)
- Update outdated files in dev-1.18-ko.8 (#22466)
- Translate tasks/administer-cluster/dns-custom-nameservers in Korean (#22524)

Co-authored-by: Daehyun Paik <paik@a30a.dev>
Co-authored-by: Jerry Park <jaehwa@gmail.com>
Co-authored-by: bluefriday <bluefriday86@gmail.com>
Co-authored-by: June Yi <june.yi@samsung.com>
Co-authored-by: Jesang Myung <jesang.myung@gmail.com>
Co-authored-by: Seokho Son <shsongist@gmail.com>

content/ko/docs/tasks/access-application-cluster/web-ui-dashboard.md

@@ -97,12 +97,12 @@ Kubeconfig 인증 방법은 외부 아이덴티티 프로파이더 또는 x509
 
   예를 들면:
 
-```conf
-release=1.0
-tier=frontend
-environment=pod
-track=stable
-```
+  ```conf
+  release=1.0
+  tier=frontend
+  environment=pod
+  track=stable
+  ```
 
 - **네임스페이스**: 쿠버네티스는 동일한 물리 클러스터를 바탕으로 여러 가상의 클러스터를 제공한다. 이러한 가상 클러스터들을 [네임스페이스](/docs/tasks/administer-cluster/namespaces/)라고 부른다. 논리적으로 명명된 그룹으로 리소스들을 분할 할 수 있다.