Sparse-lm

<!-- Release notes generated using configuration in .github/release.yml at v0.5.2 -->

What's Changed
🧪 Tests
* mark check_estimator xfail by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/104
💥 Breaking Changes
* Remove python 3.8 tests and update issue templates by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/103
🤷‍♂️ Other Changes
* add release workflow by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/105
* separate test and coverage reporting by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/108
* Doc and README edits by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/111


**Full Changelog**: https://github.com/CederGroupHub/sparse-lm/compare/v0.5.1...v0.5.2

What's Changed
* Added examples by qchempku2017 in https://github.com/CederGroupHub/sparse-lm/pull/95
* Fixes issue 96 by qchempku2017 in https://github.com/CederGroupHub/sparse-lm/pull/97
* Minor doc edits by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/98


**Full Changelog**: https://github.com/CederGroupHub/sparse-lm/compare/v0.5.0...v0.5.1

What's Changed
* Allow adding constraints by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/88
* Updates and fixes by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/93


**Full Changelog**: https://github.com/CederGroupHub/sparse-lm/compare/v0.4.0...v0.5.0

What's Changed
* Fixes 69 and 70 by qchempku2017 in https://github.com/CederGroupHub/sparse-lm/pull/71
* Refactoring estimators to be fully scikit learn compliant by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/74


**Full Changelog**: https://github.com/CederGroupHub/sparse-lm/compare/v0.3.1...v0.4.0

What's Changed
* unit tests by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/66


**Full Changelog**: https://github.com/CederGroupHub/sparse-lm/compare/v0.3.0...v0.3.1

What's Changed
* L0 l2 weights by kamronald in https://github.com/CederGroupHub/sparse-lm/pull/16
* Remove remaining usage of "normalize" by kamronald in https://github.com/CederGroupHub/sparse-lm/pull/32
* removing normalize keyword from L2L0 by tchen0965 in https://github.com/CederGroupHub/sparse-lm/pull/35
* A very little PR to add standard deviation of r2 score in GridSearch class by qchempku2017 in https://github.com/CederGroupHub/sparse-lm/pull/50
* Fix issue 53 and merging GroupL0 into RegularizedL0 by qchempku2017 in https://github.com/CederGroupHub/sparse-lm/pull/55
* Single estimator base class and merge best group and best subset selection estimators by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/56
* Update CI workflows by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/57
* Rename to model_selection, GridSearchCV and LineSearchCV by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/58
* Refactor to src layout and update workflows by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/59
* Docs by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/60
* Refactoring regularized L0 classes by lbluque in https://github.com/CederGroupHub/sparse-lm/pull/61

New Contributors
* kamronald made their first contribution in https://github.com/CederGroupHub/sparse-lm/pull/16
* tchen0965 made their first contribution in https://github.com/CederGroupHub/sparse-lm/pull/35

**Full Changelog**: https://github.com/CederGroupHub/sparse-lm/compare/v0.2.0...v0.3.0