[Scrcpy] Create class for crop option

[yume-chan]

Pre-issue checklist

• [X] I've searched the issue list but couldn't find the feature I want

How can Tango be improved?

Today the crop option requires the user to manually construct the value as ${width}:${height}:${x}:${y}

How should the API change?

Create another ScrcpyOptionValue for crop

(Optional) Other information

No response