feat(IHtml2Image): add IHtml2Image service

[ElanCao]

Is there an existing issue for this?

• I have searched the existing issues

Is your feature request related to a problem? Please describe the problem.

能否提供获取某些元素或Component渲染后的图片的功能，有个邮件通知功能，希望将界面的一部分直接放到邮件内容里

Describe the solution you'd like

虽然已有导出pdf，但是不带其它元素，希望可以将整个Component渲染后的效果（带着数据）导出图片

1. Html2Picture.ExportStream()
2. Html2Picture.ExportBase64()

Additional context

No response

[bb-auto]

@ElanCao Thank you for contacting us. We will give feedback later.

[ArgoZhang]

@ElanCao 安排

[ElanCao]

大佬无敌

[ArgoZhang]

@ElanCao 先完善一个稍后继续增强功能