Release notes

1. ChatGPT GPT-4 & Browing work now. But use it at your own risk. Check the reminder when enabling them.
2. LMSYS is more stable now.
3. Update README_JA-JP.md by @himazinnano8925
4. Several bug fixes and experience improvements.

发行说明

1. ChatGPT GPT-4 和 Web 浏览能正常工作了。但请注意使用风险。请仔细阅读激活它们时给出的提醒信息。
2. LMSYS 更稳定了
3. @himazinnano8925 带来的 README_JA-JP.md 更新
4. 一些 bug 修复和体验提升

Full Changelog: https://github.com/sunner/ChatALL/compare/v1.28.30...v1.28.31