🌐 [i18n-KO] Translated `ko-llm_tutorial_optimization.md` to Korean (#32372)

* docs: ko: llm_tutorial_optimization.md

* feat: nmt draft

* fix: manual edits

* Update docs/source/ko/llm_tutorial_optimization.md
Co-authored-by: Chaewon Song <chaewon1019@ewhain.net>

* Update docs/source/ko/llm_tutorial_optimization.md
Co-authored-by: Chaewon Song <chaewon1019@ewhain.net>

* fix: resolve suggestions - 1
Co-authored-by: Chaewon Song <chaewon1019@ewhain.net>
Co-authored-by: timdalxx <48753785+jeongiin@users.noreply.github.com>
Co-authored-by: boyunJang <gobook1234@naver.com>

* fix: resolve suggestions - 2
Co-authored-by: boyunJang <gobook1234@naver.com>
Co-authored-by: Chaewon Song <chaewon1019@ewhain.net>
Co-authored-by: timdalxx <48753785+jeongiin@users.noreply.github.com>

---------
Co-authored-by: Chaewon Song <chaewon1019@ewhain.net>
Co-authored-by: timdalxx <48753785+jeongiin@users.noreply.github.com>
Co-authored-by: boyunJang <gobook1234@naver.com>

docs/source/ko/_toctree.yml

@@ -239,8 +239,8 @@
     title: 추론 웹 서버를 위한 파이프라인
   - local: model_memory_anatomy
     title: 모델 학습 해부하기
-  - local: in_translation
-    title: (번역중) Getting the most out of LLMs
+  - local: llm_tutorial_optimization
+    title: LLM을 최대한 활용하기
   title: (번역중) 개념 가이드
 - sections:
   - sections: