Sixth Korean l10n work for release-1.15 (#16550)

* Remove duplicated sentence (+1 squashed commit) (#16265)
* Fix links to locate Korean docs (#16289)
* Fix typo (#16304)
* Modify #16364 and links in korean docs. (#16516)
* Updated outdated content in `dev-1.15-ko.6` (#16500)
* Modify #16415, #16417 korean docs. (#16501)

Co-Authored-By: 한지승 <jinh574@naver.com>
Co-Authored-By: June Yi <gochist@gmail.com>

content/ko/docs/setup/_index.md

@@ -105,5 +105,6 @@ card:
 | [Tencent Cloud](https://intl.cloud.tencent.com/)  | [Tencent Kubernetes Engine](https://intl.cloud.tencent.com/product/tke) |   ✔   |   ✔ |    |      |   ✔  |
 | [VEXXHOST](https://vexxhost.com/)         | ✔             | ✔      |             |      |          |
 | [VMware](https://cloud.vmware.com/) | [VMware Cloud PKS](https://cloud.vmware.com/vmware-cloud-pks)              |[VMware Enterprise PKS](https://cloud.vmware.com/vmware-enterprise-pks)        |   [VMware Enterprise PKS](https://cloud.vmware.com/vmware-enterprise-pks)          | [VMware Essential PKS](https://cloud.vmware.com/vmware-essential-pks)      |          |[VMware Essential PKS](https://cloud.vmware.com/vmware-essential-pks)
+| [Z.A.R.V.I.S.](https://zarvis.ai/) | ✔ | | | | | |
 
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