v0.5.0 of starwars

Animated Star Wars themed Flutter widgets. Includes Bb8Toggle — a pixel-perfect BB-8 switch with Tatooine scenery, stars, and day/night transitions on iOS, Android, and Web. Changelog excerpt: - Add Flutter web support for HtmlWebViewvia iframe and postMessagebridge. - Inject WidgetChannelshim on web so existing HTML assets work unchanged. - Refresh pub.dev documentation with screenshots, GIF demo, and usage guide. - Add screenshots, topics, and licensemetadata to pubspec.yaml. - Enhance example app with size slider and enabled/disabled controls.