Document Camera Scan functions for Xojo on iOS

We just added VNDocumentCameraViewControllerMBS class for use with Xojo in iOS target to scan documents right with the camera and getting them as picture:

Just create an object of type VNDocumentCameraViewControllerMBS when needed and call Present method. In the events you get told whether user cancelled, scanned a new pictures or got an error. Use VNDocumentCameraScanMBS class to retrieve the results.

Included later in 22.5pr4 plugin version. See ContinuityCameraMBS for use of iOS camera for MacOS.