增加组件生命周期前后可配置执行脚本或命令

[wison1001]

希望rainbond能支持类似K8s里面的postStart和preStop功能，方便在组件启动或者关闭时进行一些命令的执行

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Title: Configurable execution scripts or commands before and after the component life cycle are added

I hope rainbond can support postStart and preStop functions similar to K8s, which is convenient for executing some commands when the component starts or shuts down

[zzzhangqi]

https://github.com/goodrain/rainbond/releases/tag/v5.10.1-release 已支持