chore: sync README API list

Author: github-actions[bot]

README.md

@@ -50,6 +50,7 @@
 - [用户发布笔记 (V2)（已弃用）](https://docs.justoneapi.com/zh/api/xiaohongshu-rednote/user-published-notes-v2-deprecated?utm_source=github.com&utm_medium=referral&utm_campaign=justoneapi_data_api&utm_content=repo_readme_api_list#deprecated)
 - [用户发布笔记 (V4)](https://docs.justoneapi.com/zh/api/xiaohongshu-rednote/user-published-notes-v4?utm_source=github.com&utm_medium=referral&utm_campaign=justoneapi_data_api&utm_content=repo_readme_api_list)
 - [笔记详情 (V1)](https://docs.justoneapi.com/zh/api/xiaohongshu-rednote/note-details-v1?utm_source=github.com&utm_medium=referral&utm_campaign=justoneapi_data_api&utm_content=repo_readme_api_list)
+- [笔记详情 (V2)](https://docs.justoneapi.com/zh/api/xiaohongshu-rednote/note-details-v2?utm_source=github.com&utm_medium=referral&utm_campaign=justoneapi_data_api&utm_content=repo_readme_api_list)
 - [笔记详情 (V3)（已弃用）](https://docs.justoneapi.com/zh/api/xiaohongshu-rednote/note-details-v3-deprecated?utm_source=github.com&utm_medium=referral&utm_campaign=justoneapi_data_api&utm_content=repo_readme_api_list#deprecated)
 - [笔记详情 (V7)（已弃用）](https://docs.justoneapi.com/zh/api/xiaohongshu-rednote/note-details-v7-deprecated?utm_source=github.com&utm_medium=referral&utm_campaign=justoneapi_data_api&utm_content=repo_readme_api_list#deprecated)
 - [笔记评论 (V2)](https://docs.justoneapi.com/zh/api/xiaohongshu-rednote/note-comments-v2?utm_source=github.com&utm_medium=referral&utm_campaign=justoneapi_data_api&utm_content=repo_readme_api_list)