What's Changed
* Update-TitleDescription by jgunstone in https://github.com/maxfordham/ipyautoui/pull/246
* Refactor-autoui by jgunstone in https://github.com/maxfordham/ipyautoui/pull/247
* AutoUi is now a builder function, not a class
it selects what widget (typically a container widget) to use and returns that widget.
* fix buttonbar messages (pass raw html not markdown) by jgunstone in https://github.com/maxfordham/ipyautoui/pull/248
* Update-error-handling-to-FilesUploadToDir by jgunstone in https://github.com/maxfordham/ipyautoui/pull/249
* 💥 remove workingdir.py. copied it out to wufitoolbox. by jgunstone in https://github.com/maxfordham/ipyautoui/pull/250
* fix deprecation warnings in traitlets and pydantic by jgunstone in https://github.com/maxfordham/ipyautoui/pull/251
**Full Changelog**: https://github.com/maxfordham/ipyautoui/compare/0.6.0...0.7.0