added changes from gradcam branch to add-datamodule

src/ptbench/engine/road_calculator.py

src/ptbench/engine/saliencymap_evaluator.py

src/ptbench/engine/saliencymap_generator.py

src/ptbench/engine/visualizer.py

src/ptbench/scripts/calculate_road.py

src/ptbench/scripts/cli.py

src/ptbench/scripts/comparevis.py

src/ptbench/scripts/evaluate_saliencymaps.py

src/ptbench/scripts/evaluatevis.py

src/ptbench/scripts/generate_saliencymaps.py

src/ptbench/scripts/visualize.py

src/ptbench/utils/cam_utils.py

tests/data/test_vis_metrics.csv

...t-model/tbx11k/ablationcam/targeted_class/test/tb0004.png

...-model/tbx11k/ablationcam/targeted_class/train/tb0005.png

...rect-model/tbx11k/fullgrad/targeted_class/test/tb0004.png

...ect-model/tbx11k/fullgrad/targeted_class/train/tb0005.png

...irect-model/tbx11k/gradcam/targeted_class/test/tb0004.png

...rect-model/tbx11k/gradcam/targeted_class/train/tb0005.png

...ect-model/tbx11k/randomcam/targeted_class/test/tb0004.png