Working auth and added shared notes

lib/models/budget.g.dart

@@ -8,6 +8,7 @@ part of 'budget.dart';
 
 Budget _$BudgetFromJson(Map<String, dynamic> json) => Budget(
       id: json['id'] as int?,
+      familyId: json['family_id'] as int,
       name: json['name'] as String,
       createdAt: dateFromJson(json['created_at'] as int),
       updatedAt: dateFromJson(json['updated_at'] as int),
@@ -16,6 +17,7 @@ Budget _$BudgetFromJson(Map<String, dynamic> json) => Budget(
 
 Map<String, dynamic> _$BudgetToJson(Budget instance) => <String, dynamic>{
       'id': instance.id,
+      'family_id': instance.familyId,
       'name': instance.name,
       'hide': boolToJson(instance.hide),
       'created_at': dateToJson(instance.createdAt),