CoreML object detection export format

[HipsterCat]

It would be useful to have a format suitable for CreateML training of CoreML models. It looks pretty easy without bunch of unnecessary fields:

[makseq]

@HipsterCat You can make the contribution to label-studio-converter and add this format there :-)

[HipsterCat]

@makseq Unfortunately, I'm just a data labeling specialist atm, Create ML is a no-code tool to create neural networks for iOS engineers. Just had to pay for a task to convert Label Studio's JSON-MIN files to Core ML format.

[skin-soc]

This would indeed be useful in order to use Label Studio with Create ML / Core ML