Checked docstrings for minor errors w main focus on example code

qim3d/detection/_common_detection_methods.py

qim3d/features/_common_features_methods.py

qim3d/filters/_common_filter_methods.py

qim3d/generate/_aggregators.py

qim3d/generate/_generators.py

qim3d/gui/data_explorer.py

qim3d/io/_convert.py

qim3d/io/_downloader.py

qim3d/io/_loading.py

qim3d/io/_saving.py

qim3d/mesh/_common_mesh_methods.py

qim3d/ml/_ml_utils.py

qim3d/ml/models/_unet.py

qim3d/operations/_common_operations_methods.py

qim3d/processing/_layers.py

qim3d/processing/_local_thickness.py

qim3d/segmentation/_common_segmentation_methods.py

qim3d/segmentation/_connected_components.py

qim3d/utils/__init__.py

qim3d/utils/_doi.py