Notebook unit testing

docs/notebooks/Logging.ipynb

docs/notebooks/References from DOI.ipynb

docs/notebooks/Unet.ipynb

docs/notebooks/Untitled.ipynb

docs/notebooks/annotation_tool.ipynb

docs/notebooks/blob_detection.ipynb

docs/notebooks/filters.ipynb

docs/notebooks/local_thickness.ipynb

docs/notebooks/segmentation_pipeline.ipynb

docs/notebooks/structure_tensor.ipynb

qim3d/ml/__init__.py

qim3d/tests/notebooks/test_notebooks.py

qim3d/utils/_logger.py

requirements.txt