release (#84)

* update the expected version

* mention the migration to `xarray.DataTree`

* changelog for supporting `python=3.12`

* remove the wrong python 3.13 classifier

* release date

* ignore bots when releasing

new release (#58)

update the packaging metadata (#54)

* explicitly add `numpy` to the dependencies

* fix the extlinks url

* update the changelog

* add more project urls

* add trove classifiers

* add keywords

* stop omitting the test files

This makes it easier to identify dead test code

fill in the packaging metadata (#50)

* add a description to the package file

* add a readme and use it as the long description

* add a repository link