[Feature] eventmesh 数据采集

### Search before asking

- [x] I had searched in the [issues](https://github.com/apache/eventmesh/issues?q=is%3Aissue) and found no similar issues.

### Feature Request

问题：用户需要 dashboard 支持 evemtmesh 的指标行为。

（1）是使用 Prometheus exporter，还是直接调用 amdin API
（2）runtime 提供的指标是否全面

### Are you willing to submit PR?

- [ ] Yes I am willing to submit a PR!

### Code of Conduct

- [ ] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) *

Start with the eventmesh dashboard and compare the two proposed metric sources: a Prometheus exporter or the admin API. Check whether the runtime metrics are comprehensive enough, then define the selected integration and verify that the dashboard presents the required EventMesh metrics.

Written by the indexing model from the issue text.