This PR does not touch the code, only performs overdue maintenance. In particular, it adds a changelog, a contributing document, and reformats some files that did not conform to the black formatting for some reason. Will also make sure all the tests are still working.
This PR does not touch the code, only performs overdue maintenance. In particular, it adds a changelog, a contributing document, and reformats some files that did not conform to the black formatting for some reason. Will also make sure all the tests are still working.