DOC: prepare for 0.22.0 release

DOC: CHANGELOG updated for 0.21.0 release

DOC, CI: citation.cff, changelog, modernized publication workflow

Merge pull request #79 from jic-dtool/2024-06-28-prepare-release

CI, DOC: switched URLs from livMatS to jic-dtool

DOC: release 0.20.0

Tag the 0.19.0 release

Tagging the 0.18.0 release

Tag the 0.17.2 release

Tag the 0.17.1 release

Tag the 0.17.0 release