What's Changed
* Create python-package.yml for tests by Sheshuk in https://github.com/RTESolution/vegas_params/pull/7
* Add `Parameter.sample_with_factor` for expressions with factor by Sheshuk in https://github.com/RTESolution/vegas_params/pull/8
* Add documentation in README
* Add `collections.StructArray` expression
**Full Changelog**: https://github.com/RTESolution/vegas_params/compare/v0.1.0...v0.2.0