Jer-y

### Search before asking - [X] I searched in the [issues](https://github.com/yetone/openai-translator/issues) and found nothing similar. ### Motivation - 目前所有的请求都会被translate.ts添加/v1/chat/completions. - 这让使用者没有办法用其他API URL（比如Azure Open AI) ### Solution 1. 把/v1/chat/completions直接放在utils.ts的defaultAPIURL 2. 将translate.ts中的/v1/chat/completions移除...