PAD-Chest

• DataModule and support code: data.classify.padchest

• Splits:

  Config. key	Module
  padchest-idiap	config.classify.data.padchest.idiap
  padchest-tb-idiap	config.classify.data.padchest.tb_idiap
  padchest-no-tb-idiap	config.classify.data.padchest.no_tb_idiap
  padchest-cardiomegaly-idiap	config.classify.data.padchest.cardiomegaly_idiap