Zfel

Final release before internal refactoring

What's Changed
* remove matplotlib import by ChristopherMayes in https://github.com/slaclab/zfel/pull/9


**Full Changelog**: https://github.com/slaclab/zfel/compare/v0.9.3...v0.9.4

What's Changed
* Black by ChristopherMayes in https://github.com/slaclab/zfel/pull/8


**Full Changelog**: https://github.com/slaclab/zfel/compare/v0.9.2...v0.9.3

What's Changed
* legacy master by ChristopherMayes in https://github.com/slaclab/zfel/pull/7


**Full Changelog**: https://github.com/slaclab/zfel/compare/v0.9.1...v0.9.2

What's Changed
* legacy master by ChristopherMayes in https://github.com/slaclab/zfel/pull/7


**Full Changelog**: https://github.com/slaclab/zfel/compare/v0.9.1...v0.9.2a

What's Changed
* Modernize ZFEL by ChristopherMayes in https://github.com/slaclab/zfel/pull/4
* remove interact by ChristopherMayes in https://github.com/slaclab/zfel/pull/5
* add mkdocs and styles by ChristopherMayes in https://github.com/slaclab/zfel/pull/6


**Full Changelog**: https://github.com/slaclab/zfel/compare/v0.9.0...v0.9.1