What's Changed
* Add contribution file and issue templates by paddyroddy in https://github.com/astro-informatics/sleplet/pull/122
* Change CI name to British spelling by paddyroddy in https://github.com/astro-informatics/sleplet/pull/123
* CLI verison option/change env var/logging/fix submodules by paddyroddy in https://github.com/astro-informatics/sleplet/pull/124
**Full Changelog**: https://github.com/astro-informatics/sleplet/compare/v1.2.0...v1.2.1