phsl / new-api

在“运营设置里面”增加了“聊天页面2链接”，方便将项目（https://github.com/Dooy/chatgpt-web-midjourney-proxy） 替换掉原来的AMA问天。

Changes to be committed:
    modified:   common/constants.go
    modified:   controller/misc.go
    modified:   model/option.go
    modified:   web/src/App.js
    modified:   web/src/components/OperationSetting.js
    modified:   web/src/components/TokensTable.js