Add 3d brain mri example to the main branch #68

Job	Run time
build-and-push-image (examples/training_container/, train)	14s
build-and-push-image (examples/brain-mri/container/deploy/, brain-deploy)	10s
build-and-push-image (examples/dog-cat/container/deploy/, dog-cat-deploy)	11s
build-and-push-image (examples/object-detection/container/deploy/, object-detection-deploy)	13s
build-and-push-image (examples/sentiment-analysis/container/deploy/, sentiment-analysis-deploy)	10s
build-and-push-image (examples/sentiment-analysis/container/prep/, sentiment-analysis-prep)	7s
build-and-push-image (bring-your-own-model/PDK_implementation/container/deploy/, byom-deploy)	16s
	1m 21s

Provide feedback