🌐 [i18n-KO] Translated `semantic_segmentation.md` to Korean (#26515)

* docs: ko: sementic_segmentation.md

* feat: manual draft

* fix: manual edits

* fix: resolve suggestions
Co-authored-by: Wonhyeong Seo <wonhseo@kakao.com>

* fix: resolve suggestions
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>

* fix: edit the title

---------
Co-authored-by: Wonhyeong Seo <wonhseo@kakao.com>
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>

docs/source/ko/_toctree.yml

@@ -58,8 +58,8 @@
   - sections:
       - local: tasks/image_classification
         title: 이미지 분류
-      - local: in_translation
-        title: (번역중) Semantic segmentation
+      - local: tasks/semantic_segmentation
+        title: 의미적 분할(Semantic segmentation)
       - local: tasks/video_classification
         title: 영상 분류
       - local: tasks/object_detection
@@ -70,7 +70,7 @@
         title: 제로샷(zero-shot) 이미지 분류
       - local: tasks/monocular_depth_estimation
         title: 단일 영상 기반 깊이 추정
-    title: (번역중) 컴퓨터 비전
+    title: 컴퓨터 비전
     isExpanded: false
   - sections:
       - local: tasks/image_captioning