smart_form_fields 0.0.1

Behavior-first Flutter forms with validation and first-error navigation.

0.0.1

• Scaffold the Flutter package.
• Add SmartForm, SmartFormKey, and SmartFormController foundations.
• Add immutable SmartFormResult snapshots.
• Add lifecycle-safe field registration with duplicate-name detection, dynamic removal, nested-form isolation, and visual-order updates.