• Shorten the package description to fit pub.flutter-io.cn's 60–180 character window for search-result snippets.
• Bump atomly dependency to ^0.1.1.

Initial release.

• AtomScope — InheritedModel<Atom> with per-aspect rebuild filtering. Optional overrides: map for tests and scoped configurations.
• BuildContext extensions on Atom<T>: watch, read, select, when, listen, set, update, refresh, invalidate.
• AtomBuilder<T> — single-atom builder widget.
• AtomConsumer — multi-atom consumer with a watch function.
• AtomListener<T> — pure side-effect widget.
• Atomly.bootstrap() helper for default global scopes.