docs: enable japanese translations

.github/actions/download-locales/action.yml

@@ -20,6 +20,16 @@ runs:
         push_translations: false
         export_only_approved: false
         crowdin_branch_name: ${{ inputs.crowdin-branch }}
+    - name: Download ja-JP
+      uses: crowdin/[email protected]
+      with:
+        download_language: ja
+        config: crowdin.yml
+        upload_sources: false
+        download_translations: true
+        push_translations: false
+        export_only_approved: false
+        crowdin_branch_name: ${{ inputs.crowdin-branch }}
     - name: Download zh-CN
       uses: crowdin/[email protected]
       with:

packages/docs/src/i18n/locales.json

@@ -8,7 +8,7 @@
     "title": "日本語",
     "locale": "ja-JP",
     "alternate": "ja",
-    "enabled": false
+    "enabled": true
   },
   {
     "title": "简体中文",