rework-onboarding (#7)

Onboarding completato, ora super rapido e top

Reviewed-on: http://catelliub.zapto.org:3000/brontomark/flux/pulls/7
Co-authored-by: Mark M2 Macbook <marco@catelli.it>
Co-committed-by: Mark M2 Macbook <marco@catelli.it>

lib/features/master_data/store/models/store_model.dart

@@ -81,6 +81,17 @@ class StoreModel extends Equatable {
     );
   }
 
+  factory StoreModel.empty() {
+    return const StoreModel(
+      nome: '',
+      companyId: '',
+      indirizzo: '',
+      cap: '',
+      comune: '',
+      provincia: '',
+    );
+  }
+
   factory StoreModel.fromMap(Map<String, dynamic> map) {
     final providersPivotList = map['associated_providers'] as List?;
     List<ProviderModel> providers = [];