🌐 [i18n-KO] Translated tokenizer_summary.md to Korean (#26243)

* docs: ko: toknenizer_summary.md

Co-Authored-By: Sohyun Sim <96299403+sim-so@users.noreply.github.com>
Co-Authored-By: Juntae <79131091+sronger@users.noreply.github.com>
Co-Authored-By: Injin Paek <71638597+eenzeenee@users.noreply.github.com>

* update review

* fix: resolve suggestions

Co-Authored-By: Nayeon Han <nayeon2.han@gmail.com>
Co-Authored-By: Steven Liu <59462357+stevhliu@users.noreply.github.com>

* fix: resolve suggestions

Co-authored-by: Hyeonseo Yun <0525yhs@gmail.com>

---------

Co-authored-by: HanNayeoniee <nayeon2.han@gmail.com>
Co-authored-by: Sohyun Sim <96299403+sim-so@users.noreply.github.com>
Co-authored-by: Juntae <79131091+sronger@users.noreply.github.com>
Co-authored-by: Injin Paek <71638597+eenzeenee@users.noreply.github.com>
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
Co-authored-by: Hyeonseo Yun <0525yhs@gmail.com>

docs/source/ko/_toctree.yml

@@ -174,8 +174,8 @@
     title: 🤗 Transformers로 작업을 해결하는 방법
   - local: model_summary
     title: Transformer 모델군
-  - local: in_translation
-    title: (번역중) Summary of the tokenizers
+  - local: tokenizer_summary
+    title: 토크나이저 요약
   - local: attention
     title: 어텐션 매커니즘
   - local: pad_truncation