Copyright / license statements

[haesleinhuepf]

Please make sure we don't forget to mention the origial authors of notebooks in case we copied them from other resources.

For example, I think this notebook orginates from Anna:
https://biapol.github.io/Quantitative_Bio_Image_Analysis_with_Python_2022/day3c_statistics_and_tests/05_hypothesis_testing.html

Source:
https://github.com/BiAPoL/Bio-image_Analysis_with_Python/blob/main/09_hypothesis_testing/stats4.ipynb

We should follow the copyright statement of the original publication and in the above case put a reference / acknowledgement + link to the CC-BY license.
https://creativecommons.org/licenses/by/4.0/

Thanks!