Add detection vertical flip augmentation

[LukeAI]

Adds DetectionVerticalFlip for bounding box detection augmentation.

Resolves: #1161

Discussion:
#1165

[BloodAxe]

Hi. Glad to see you back. It looks like you managed to setup verified commits. However it looks you included unsigned commits in this PR as well.
You can try squashing all of them into a single commit to a new branch and opening PR from there https://stackoverflow.com/questions/3697178/merge-with-squash-all-changes-from-another-branch-as-a-single-commit which should resolve the issue

[LukeAI]

have done so
#1237