画图支持调整尺寸大小

[123GaoLin]

Prerequisites

• There isn't an existing issue that requests the same feature, to avoid duplicates.

Clear and concise description of the problem

比如 mermaid 画的图，希望也可以支持和图片一样调整尺寸的功能，希望可以自定义尺寸

Suggested solution

No response

Further Information

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Contributing

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