[RFC] Add `expand` option to `affine` transformation

[vfdev-5]

We would like to ask for some feedback about adding expand argument to affine image/mask transformations.

Currently, rotate op has extend argument which does the following:

Do you think that it would be helpful to have expand option with affine image/mask transformations ?

Originally posted by @vfdev-5 in #5638 (comment)

cc @vfdev-5 @datumbox @bjuncek