🐠 Add Zoom Support

[cengiz-pz]

Is there an existing issue for this?

• I have searched the existing open and closed issues
• I have searched the discussions
• I have starred the repository

Current Behavior

No response

Proposed Behavior

Add support for set_zoom(factor: float)

• Android API 30+: CONTROL_ZOOM_RATIO; older: SCALER_CROP_REGION
• iOS: AVCaptureDevice.videoZoomFactor
• Clamp to reported min_zoom / max_zoom from camera info
• Could be exposed in get_all_cameras() result

Update CameraInfo:

• Add min_zoom and max_zoom properties
• Android: SCALER_AVAILABLE_MAX_DIGITAL_ZOOM
• iOS: minAvailableVideoZoomFactor

New zoom_changed signal

• Payload: factor: float
• Confirms applied zoom (async on iOS)

Plugin Version

1.1

Anything else?

No response