Translate en/model_doc to JP (#27264)

* Add `model_docs`

* Add

* Update Model adoc

* Update docs/source/ja/model_doc/bark.md

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

* Update docs/source/ja/model_doc/beit.md

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

* Update docs/source/ja/model_doc/bit.md

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

* Update docs/source/ja/model_doc/blenderbot.md

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

* Update docs/source/ja/model_doc/blenderbot-small.md

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

* update reiew-1

* Update toctree.yml

* translating docs and fixes of PR #27401

* Update docs/source/ja/model_doc/bert.md

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

* Update docs/source/ja/model_doc/bert-generation.md

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

* Update the model docs

---------

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

docs/source/ja/_toctree.yml

@@ -185,11 +185,44 @@
       sections:
       - local: model_doc/albert
         title: ALBERT
+      - local: model_doc/bart
+        title: BART
+      - local: model_doc/barthez
+        title: BARThez
+      - local: model_doc/bartpho
+        title: BARTpho
+      - local: model_doc/bert
+        title: BERT
+      - local: model_doc/bert-generation
+        title: BertGeneration
+      - local: model_doc/bert-japanese
+        title: BertJapanese
+      - local: model_doc/bertweet
+        title: Bertweet
+      - local: model_doc/big_bird
+        title: BigBird
+      - local: model_doc/bigbird_pegasus
+        title: BigBirdPegasus
+      - local: model_doc/biogpt
+        title: BioGpt
+      - local: model_doc/blenderbot
+        title: Blenderbot
+      - local: model_doc/blenderbot-small
+        title: Blenderbot Small
       title: 文章モデル
+    - isExpanded: false
+      sections:
+      - local: model_doc/beit
+        title: BEiT
+      - local: model_doc/bit
+        title: BiT
+      title: ビジョンモデル
     - isExpanded: false
       sections:
       - local: model_doc/audio-spectrogram-transformer
         title: Audio Spectrogram Transformer
+      - local: model_doc/bark
+        title: Bark
       title: 音声モデル
     - isExpanded: false
       sections: