Fsrs-optimizer

What's Changed
* Feat/smooth parameters of calculating minimum recommended retention by L-M-Sherlock in https://github.com/open-spaced-repetition/fsrs-optimizer/pull/117


**Full Changelog**: https://github.com/open-spaced-repetition/fsrs-optimizer/compare/v4.28.3...v4.29.0

What's Changed
* Replace "weight" with "parameter".py by Expertium in https://github.com/open-spaced-repetition/fsrs-optimizer/pull/113

New Contributors
* Expertium made their first contribution in https://github.com/open-spaced-repetition/fsrs-optimizer/pull/113

**Full Changelog**: https://github.com/open-spaced-repetition/fsrs-optimizer/compare/v4.28.2...v4.28.3

What's Changed
* Feat/use median in calculating recall cost, forget cost and learn cost by L-M-Sherlock in https://github.com/open-spaced-repetition/fsrs-optimizer/pull/109


**Full Changelog**: https://github.com/open-spaced-repetition/fsrs-optimizer/compare/v4.28.1...v4.28.2

What's Changed
* Fix/inconsistent outlier filter by L-M-Sherlock in https://github.com/open-spaced-repetition/fsrs-optimizer/pull/108


**Full Changelog**: https://github.com/open-spaced-repetition/fsrs-optimizer/compare/v4.28.0...v4.28.1

What's Changed
* Feat/not sqrt in weights for pretrain by L-M-Sherlock in https://github.com/open-spaced-repetition/fsrs-optimizer/pull/106


**Full Changelog**: https://github.com/open-spaced-repetition/fsrs-optimizer/compare/v4.27.7...v4.28.0

What's Changed
* Fix/remove column only when it exists by L-M-Sherlock in https://github.com/open-spaced-repetition/fsrs-optimizer/pull/105


**Full Changelog**: https://github.com/open-spaced-repetition/fsrs-optimizer/compare/v4.27.6...v4.27.7