希望能开放websocket扩展

[repertory]

Description

在前一个版本还能将服务端的中间件通过扩展方式将websocket和express中间件添加到vite服务中，虽然开发模式得加vite-hmr头才能访问自定义websocket，但好歹能扩展

升级版本后发现websocket路径也被限制了，导致必须重写hmr服务才行，后期升级太麻烦了

Suggested solution

建议在vite.config.js中增加配置来开放自定义websocket，可选vite-hmr头或者不启用url匹配规则

Alternative

No response

Additional context

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

[bluwy]

Related: #13218

[repertory]

@bluwy 感谢，问题解决了