better_effect 0.1.0

Contextual dependency injection, typed error propagation, and scoped resources for result_dart.

0.1.0

• Initial core implementation.
• Added lazy Effect<A, E> values backed by result_dart.
• Added contextual service resolution with use<T>().
• Added automatic typed failure propagation with use.unwrap, use.result, and use.fail.
• Added Module, Binding, and an auto_injector backend.
• Added factory, eager singleton, lazy singleton, instance, keyed, and resource bindings.
• Added runtime and execution scopes with reverse-order asynchronous cleanup.
• Added Effect locals, local service overrides, Exit, records-based zip, and core Effect operators.