Finalize v0.2.2 (#217)

* whatsnew cleanup

* create empty whatsnew file for next version

Finalize v0.2.1 (#216)

* clean up 0.2.1 whatsnew page

* include 0.2.1 whatsnew in docs

* add blank whatsnew page for 0.2.2

Finalize v0.2.0 (#207)

* update release date

* add missing contributors

* fix whatsnew rendering

v0.1.3 release (#177)

* master->main update

* whatsnew cleanup

* create blank 0.1.4 whatsnew

* release date += 1

* other contributors

* copyright years

v0.1.2 Release (#150)

* whatsnew cleanup

* include 0.1.2 in whatsnew index

* add empty 0.1.3 whatsnew

v0.1.1 Release (#132)

* change pypi classifier from pre-alpha to beta

* remove unnecessary docs/requirements.txt

* whatsnew v0.1.1

* include 0.1.1 in whatsnew index

* link zenodo in readme

Release notes v0.1.0 (#99)

* Add documentation tree for release notes

* Add whatsnew task to PR template

* Add release date

Co-authored-by: Cliff Hansen <[email protected]>