Flutter UI Builder v0.0.1

Full Changelog: https://github.com/mariorefetto/flutter_ui_builder/commits/v0.0.1Desktop builds of Flutter UI Builder, for noncommercial use under the
PolyForm Noncommercial License 1.0.0 (see LICENSE).

The builds are not signed. On macOS, open the app with a right click
and choose Open the first time. On Windows, SmartScreen may ask for
confirmation. On Linux, extract the archive and run
flutter_ui_builder; the file dialogs need zenity or kdialog.

Full Changelog: https://github.com/mariorefetto/flutter_ui_builder/commits/v0.0.1