Improvement request: add events for configuration update and resource update

Currently there is no events for some operations, for example .
- update configuration
- reset configuration
- update resource limit
- (to be added)

It would be good to have. it will be useful for operations

##### ISSUE TYPE

* Improvement Request

##### COMPONENT NAME

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##### CLOUDSTACK VERSION

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4.19
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##### CONFIGURATION

##### OS / ENVIRONMENT

##### SUMMARY

##### STEPS TO REPRODUCE

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##### EXPECTED RESULTS

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##### ACTUAL RESULTS

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该 issue 未指定文件、测试或入口点。首先定位 CloudStack 对配置和资源限制操作的事件处理，然后确定更新和重置操作是如何表示的。完成标准是：为所列操作发出事件，并且其行为由适当的测试覆盖。

由索引模型根据 Issue 内容生成。