add signin function

lib/pages/storage/storage_addition.dart

@@ -3,7 +3,7 @@ import 'package:provider/provider.dart';
 import 'package:fcs/model/language_model.dart';
 import 'package:fcs/model/storage_model.dart';
 import 'package:fcs/pages/util.dart';
-import 'package:fcs/theme/theme.dart';
+import 'package:fcs/fcs/common/theme.dart';
 import 'package:fcs/vo/storage.dart';
 import 'package:fcs/widget/local_text.dart';
 import 'package:fcs/widget/localization/app_translations.dart';
@@ -39,14 +39,20 @@ class _StorageAdditionState extends State<StorageAddition> {
       child: Scaffold(
           appBar: AppBar(
             backgroundColor: primaryColor,
-            title: LocalText(context, "storage.item.title",color: Colors.white,fontSize: 20,),
+            title: LocalText(
+              context,
+              "storage.item.title",
+              color: Colors.white,
+              fontSize: 20,
+            ),
             actions: <Widget>[
               widget.storage == null
                   ? Container()
                   : IconButton(
                       icon: Icon(Icons.delete),
                       onPressed: () {
-                        showConfirmDialog(context, "storage.delete_confirm", () {
+                        showConfirmDialog(context, "storage.delete_confirm",
+                            () {
                           _delete(context);
                         });
                       },