feat(Drawer): Drawer service plus the Position attribute

[Mydashixiong]

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

No response

Describe the solution you'd like

Drawer service plus the Position attribute

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[ArgoZhang]

@Mydashixiong 有啊

public class DrawerOption
{
    public Placement Placement { get; set; } = Placement.Left;
}

在这里啊

[Mydashixiong]

不是 Placement ，是 Position