Astrodbkit2

What's Changed
* Reworking pyproject.toml setup for simplicity by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/78
* Refactor to have references in separate sub-directory; closes 49 by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/77


**Full Changelog**: https://github.com/astrodbtoolkit/AstrodbKit2/compare/v0.5.2...v0.6.0

What's Changed
* Update codecov setup by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/60
* Fix spectra unit test due to specutils update by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/61
* Adding option to re-raise error when loading a spectrum by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/66
* Adding example schema validation and example on how to use ORM by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/67
* Fix for readthedocs configuration by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/69
* Add Regimes to REFERENCE_TABLES; closes 68 by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/70
* Adding Black and some reformatting by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/71
* Updates to support using ruff for linting/formatting by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/73
* Adding example on querying for missing values by dr-rodriguez in https://github.com/astrodbtoolkit/AstrodbKit2/pull/74


**Full Changelog**: https://github.com/astrodbtoolkit/AstrodbKit2/compare/v0.5.1...v0.5.2

What's Changed
* Spectra conversion updates by dr-rodriguez in https://github.com/dr-rodriguez/AstrodbKit2/pull/58
* Implementing database views by dr-rodriguez in https://github.com/dr-rodriguez/AstrodbKit2/pull/56


**Full Changelog**: https://github.com/dr-rodriguez/AstrodbKit2/compare/v0.5...v0.5.1

What's Changed
* Updating for SQLalchemy 2.0 by dr-rodriguez in https://github.com/dr-rodriguez/AstrodbKit2/pull/55


**Full Changelog**: https://github.com/dr-rodriguez/AstrodbKit2/compare/v0.4.2...v0.5

Minor release to pin SQLAlchemy version to less than 2.0 until code is migrated over.

What's Changed
* Implementing wcs1d-multispec by dr-rodriguez in https://github.com/dr-rodriguez/AstrodbKit2/pull/53


**Full Changelog**: https://github.com/dr-rodriguez/AstrodbKit2/compare/v0.4...v0.4.1