adding logging and refactoring

README.md

data/config/dataset/mnist.yaml

data/config/loader/basic.yaml

data/config/path/andres_h.yaml

data/config/path/relative.yaml

data/config/train_model.yaml

data/config/training/basic.yaml

data/config/transforms/basic.yaml

env_setup/requirements.txt

modules/training/training.py

modules/utils/__init__.py

modules/utils/configs.py

modules/utils/early_stopping.py

modules/utils/loggers.py

modules/utils/metric_aggregator.py

runs/01_train_model.py