[doc] Fix typos

src/mednet/data/augmentations.py

src/mednet/data/datamodule.py

src/mednet/engine/saliency/completeness.py

src/mednet/models/alexnet.py

src/mednet/models/densenet.py

src/mednet/models/loss_weights.py

src/mednet/models/pasa.py

src/mednet/models/separate.py

src/mednet/models/transforms.py

src/mednet/scripts/experiment.py

src/mednet/scripts/predict.py

src/mednet/scripts/saliency/completeness.py

src/mednet/scripts/saliency/generate.py

src/mednet/scripts/saliency/interpretability.py

src/mednet/scripts/saliency/view.py

src/mednet/scripts/train.py

src/mednet/scripts/train_analysis.py