🌐 [i18n-KO] Translated gptq.md to Korean

[1kmmk1]

What does this PR do?

Translated the gptq.md file of the documentation to Korean.
Thank you in advance for your review.

Part of #20179

Before reviewing

• Check for missing / redundant translations (번역 누락/중복 검사)
• Grammar Check (맞춤법 검사)
• Review or Add new terms to glossary (용어 확인 및 추가)
• Check Inline TOC (e.g. [[lowercased-header]])
• Check live-preview for gotchas (live-preview로 정상작동 확인)

Who can review? (Initial)

@win2dvp21, @enchantee00, @fabxoe, @1kmmk1, @junejae

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• Did you read the contributor guideline,
  Pull Request section?
• Was this discussed/approved via a Github issue or the forum? Please add a link
  to it if that's the case.
• Did you make sure to update the documentation with your changes? Here are the
  documentation guidelines, and
  here are tips on formatting docstrings.
• Did you write any new necessary tests?

Who can review? (Final)

@stevhliu May you please review this PR?

[junejae]

다른 분들도 quantization 파트를 번역하고 계셔서 @1kmmk1 님께서 번역하신 gptq.md 를 제외한 다른 영어 원문까지 commit 하시면, 본 브렌치가 merge될 시 conflict가 발생할 우려가 있습니다.

quantization 폴더 내의 gptq.md를 제외한 다른 원문 파일들을 모두 삭제하고, commit 해 주시길 부탁드립니다.

[junejae]

좋은 번역 감사드립니다! 약간만 더 다듬으면 될 것 같아요!

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

[stevhliu]

Very nice, thank you! Just a few minor formatting issues, otherwise LGTM 🤗

[stevhliu]

Thanks again! 🤗