[ImagePicker] Add optional cropper integration support #15
Description
Enable optional image cropping after picking/capturing. Only invoke cropper if crop(true) is configured.
Tasks:
Add support for .crop(true) flag
If enabled, pass selected URI to CropperActivity or composable
Use imagecropper module for cropping
Return cropped image URI/Bitmap from cropper
Allow developers to disable cropping to avoid extra dependency