[docs]: translate hertz tutorials/tutorials/service-governance/monitoring/

[Duslia]

monitoring: zh web page：https://www.cloudwego.io/zh/docs/hertz/tutorials/service-governance/monitoring/ zh doc：https://github.com/cloudwego/cloudwego.github.io/blob/main/content/zh/docs/hertz/tutorials/service-governance/monitoring.md en folder：https://github.com/cloudwego/cloudwego.github.io/tree/main/content/en/docs/hertz/tutorials

Notes:

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[Hao-Wu]

@Duslia Please assign to me

[Duslia]

Well done!