Random Affine for masks

[LuukvandenBent]

Currently the Random Affline augmentation in transform_libs.torchvision.RandomAffine only seems to support bboxes, is there an alternative for masks/polygons?

[LuukvandenBent]

To clarify i mean this transformation (visualised with my cat mid yawn :-) :

[eugene123tw]

@LuukvandenBent Thanks for the feedback! We have a draft PR for supporting this feature.