PTD - Training Datamodule tests

Model training requires extracting and transforming your data into a format that can be injected into a certain model architecture.

[ ] Create a test script (not unit tests) to instantiate the training datamodule and read in data
[ ] configure it for XNAT API extract (Imaging)
[ ] also configure it for directory based extract
[ ] anaylse the output of datamodule to present to user
[ ] outputs a json to present to the user, which can also be used in QMS data label and module
[ ] include bias identification for ai fairness in the json

GSTT-CSC / project-template