Ayr Loong

Based on our previous discussion, I propose to implement the `GetMetadata` method. I believe this will be valuable to developers who want to extend YARP's functionality. If the team finds...

> generate WatchXXX for easier api Hi @tg123 Regarding this, are we planning to use the latest `watch endpoint` from `Kubernetes OpenAPI`?

> [@lqlive](https://github.com/lqlive) no, will not use deprecated `/watch` i remember k8s decided to remove this in `1.30`. `/watch` has been deprecated, In this case, do we have to manually generate...