register user detail

lib/shared/components/bloc/checkbox/checkbox_bloc.dart

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+import 'package:bloc/bloc.dart';
+
+import 'checkbox_event.dart';
+import 'checkbox_state.dart';
+
+class CheckboxBloc extends Bloc<CheckboxEvent, CheckBoxState> {
+  CheckboxBloc() : super(CheckboxUnchecked()) {
+    on<ToggleCheckbox>(_onToggleCheckbox);
+  }
+
+  void _onToggleCheckbox(ToggleCheckbox event, Emitter<CheckBoxState> emit) {
+    if (state is CheckboxUnchecked) {
+      emit(CheckboxChecked());
+    } else {
+      emit(CheckboxUnchecked());
+    }
+  }
+}

lib/shared/components/bloc/checkbox/checkbox_event.dart

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+import 'package:equatable/equatable.dart';
+
+abstract class CheckboxEvent extends Equatable {
+  const CheckboxEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+class ToggleCheckbox extends CheckboxEvent {}

lib/shared/components/bloc/checkbox/checkbox_state.dart

@@ -0,0 +1,12 @@
+import 'package:equatable/equatable.dart';
+
+abstract class CheckBoxState extends Equatable {
+  const CheckBoxState();
+
+  @override
+  List<Object> get props => [];
+}
+
+class CheckboxUnchecked extends CheckBoxState {}
+
+class CheckboxChecked extends CheckBoxState {}