🌐 [i18n-KO] Translated model_doc/graphormer.md to Korean (#33569)

* docs: ko: model_doc/graphormer.md

* feat: nmt draft

* fix: resolve suggestions

Co-authored-by: HyeokJun SHIN <96534680+jun048098@users.noreply.github.com>

* fix: resolve suggestions

* fix: resolve suggestions

---------

Co-authored-by: HyeokJun SHIN <96534680+jun048098@users.noreply.github.com>

docs/source/ko/_toctree.yml

@@ -770,9 +770,9 @@
       title: 시계열 모델
     - isExpanded: false
       sections:
-      - local: in_translation
-        title: (번역중) Graphormer
-      title: (번역중) Graph models
+      - local: model_doc/graphormer
+        title: Graphormer
+      title: 그래프 모델
     title: (번역중) 모델
   - sections:
     - local: in_translation