🌐 [i18n-KO] Translated trainer_utils.md to Korean (#33817)

* docs: ko: trainer_utils.md

* feat: nmt draft

* fix: manual edits

* fix: resolve suggestions

Co-authored-by: Woojun Jung <46880056+jungnerd@users.noreply.github.com>

---------

Co-authored-by: Woojun Jung <46880056+jungnerd@users.noreply.github.com>

docs/source/ko/_toctree.yml

@@ -790,8 +790,8 @@
       title: 파이프라인을 위한 유틸리티
     - local: internal/tokenization_utils
       title: 토크나이저를 위한 유틸리티
-    - local: in_translation
-      title: (번역중) Utilities for Trainer
+    - local: internal/trainer_utils
+      title: Trainer를 위한 유틸리티
     - local: internal/generation_utils
       title: 생성을 위한 유틸리티
     - local: internal/image_processing_utils

docs/source/ko/internal/trainer_utils.md

@@ -0,0 +1,49 @@
+<!--Copyright 2020 The HuggingFace Team. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+the License. You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+specific language governing permissions and limitations under the License.
+
+⚠️ Note that this file is in Markdown but contain specific syntax for our doc-builder (similar to MDX) that may not be
+rendered properly in your Markdown viewer.
+
+-->
+
+# Trainer를 위한 유틸리티 (Utilities for Trainer) [[utilities-for-trainer]]
+
+이 페이지는 [`Trainer`]에서 사용되는 모든 유틸리티 함수들을 나열합니다.
+
+이 함수들 대부분은 라이브러리에 있는 Trainer 코드를 자세히 알아보고 싶을 때만 유용합니다.
+
+## 유틸리티 (Utilities) [[transformers.EvalPrediction]]
+
+[[autodoc]] EvalPrediction
+
+[[autodoc]] IntervalStrategy
+
+[[autodoc]] enable_full_determinism
+
+[[autodoc]] set_seed
+
+[[autodoc]] torch_distributed_zero_first
+
+## 콜백 내부 (Callbacks internals) [[transformers.trainer_callback.CallbackHandler]]
+
+[[autodoc]] trainer_callback.CallbackHandler
+
+## 분산 평가 (Distributed Evaluation) [[transformers.trainer_pt_utils.DistributedTensorGatherer]]
+
+[[autodoc]] trainer_pt_utils.DistributedTensorGatherer
+
+## Trainer 인자 파서 (Trainer Argument Parser) [[transformers.HfArgumentParser]]
+
+[[autodoc]] HfArgumentParser
+
+## 디버그 유틸리티 (Debug Utilities) [[transformers.debug_utils.DebugUnderflowOverflow]]
+
+[[autodoc]] debug_utils.DebugUnderflowOverflow