Seventh Korean l10n Work For Release 1.17 (#19857)

- Translation error correction with k8s.io/ko/docs/concepts/overview/components.md (#19720)
- Error correction with overview/working-with-objects/kubernetes-objects.md (#19735)
- Fix issues with working-with-objects/namespaces.md (#19753)
- Issue with working-with-objects/object-management.md (#19740)
- Fix issue with working-with-objects/labels.md (#19763)
- Translate training/_index.html in Korean. (#19718)
- Update links to docs that reference new docs added in the dev-1.17-ko.6 branch. (#19724)
- Fix Issues with working-with-objects/names.md (#19749)
- Update to Outdated files in the dev-1.17-ko.7 branch (#19712)
- Error correction with /concepts/overview/kubernetes-api.md (#19733)
- Translation error correction in /concepts/overview/what-is-kubernetes.md (#19710)
- Typo in /contribute/participating.md (#19683)
- Correct the Korean word typo 맴버 to 멤버 (#19674)

Co-Authored-by: Jerry Park <jaehwa@gmail.com>
Co-Authored-by: Yuk, Yongsu <ysyukr@gmail.com>
Co-Authored-by: June Yi <june.yi@samsung.com>

Co-authored-by: June Yi <june.yi@samsung.com>
Co-authored-by: Jerry Park <jaehwa@gmail.com>
Co-authored-by: Yuk, Yongsu <ysyukr@gmail.com>

content/ko/docs/concepts/services-networking/endpoint-slices.md

@@ -30,6 +30,8 @@ term_id="selector" >}} 가 지정되면 EndpointSlice
 컨트롤러는 자동으로 엔드포인트슬라이스를 생성한다. 이 엔드포인트슬라이스는
 서비스 셀렉터와 매치되는 모든 파드들을 포함하고 참조한다. 엔드포인트슬라이스는
 고유한 서비스와 포트 조합을 통해 네트워크 엔드포인트를 그룹화 한다.
+EndpointSlice 오브젝트의 이름은 유효한
+[DNS 서브도메인 이름](/ko/docs/concepts/overview/working-with-objects/names/#dns-서브도메인-이름들)이어야 한다.
 
 예를 들어, 여기에 `example` 쿠버네티스 서비스를 위한 EndpointSlice
 리소스 샘플이 있다.