🌐 [i18n-KO] Translated main_classes/keras_callbacks.md to Korean (#33955)

* docs: ko: main_classes/keras_callbacks.md

* fix: resolve suggestions

Co-authored-by: Ahnjj_DEV <ahnjj.dev@gmail.com>

---------

Co-authored-by: Ahnjj_DEV <ahnjj.dev@gmail.com>

docs/source/ko/_toctree.yml

@@ -282,8 +282,8 @@
       title: 구성
     - local: in_translation
       title: (번역중) Data Collator
-    - local: in_translation
-      title: (번역중) Keras callbacks
+    - local: main_classes/keras_callbacks
+      title: 케라스 콜백
     - local: main_classes/logging
       title: 로깅
     - local: in_translation

docs/source/ko/main_classes/keras_callbacks.md

@@ -0,0 +1,27 @@
+<!--Copyright 2021 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.
+
+-->
+
+# 케라스 콜백[[keras-callbacks]]
+
+케라스로 트랜스포머 모델을 학습할 때, 일반적인 작업을 자동화하기 위한 라이브러리 전용 콜백들을 사용 할 수 있습니다.
+
+## KerasMetricCallback[[transformers.KerasMetricCallback]]
+
+[[autodoc]] KerasMetricCallback
+
+## PushToHubCallback[[transformers.PushToHubCallback]]
+
+[[autodoc]] PushToHubCallback