Add a entry to check balance

[longfeng112]

Clear and concise description of the problem

目前我已经注册了第三个openai账号了, 回顾前两个账号被封的原因,主要是我在访问openai官网时的地址不固定导致的, 而访问openai官网的需求通常是体验新特性或者查询余额, 如果查询余额可以对接到将会使这个项目更具吸引力.

Suggested solution

期望增加一个查询当前key余额的入口

Alternative

No response

Additional context

No response

Validations

• [X] Follow our Code of Conduct
• [X] Read the Contributing Guide.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.

[yiGmMk]

https://github.com/Yidadaa/ChatGPT-Next-Web 支持查询余额和导出,就是得用vercel部署

[ddiu8081]

Duplicate of #95