insert invoice pages

lib/pages/staff_list.dart

@@ -1,3 +1,4 @@
+import 'package:fcs/widget/bottom_up_page_route.dart';
 import 'package:fcs/widget/localization/app_translations.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_icons/flutter_icons.dart';
@@ -47,10 +48,7 @@ class _StaffListState extends State<StaffList> {
         ),
         floatingActionButton: FloatingActionButton.extended(
           onPressed: () {
-            Navigator.push(
-              context,
-              MaterialPageRoute(builder: (context) => StaffEditor()),
-            );
+            Navigator.of(context).push(BottomUpPageRoute(StaffEditor()));
           },
           icon: Icon(Icons.add),
           label: Text(AppTranslations.of(context).text("staff.new")),
@@ -70,11 +68,8 @@ class _StaffListState extends State<StaffList> {
                 children: <Widget>[
                   InkWell(
                     onTap: () {
-                      Navigator.push(
-                        context,
-                        MaterialPageRoute(
-                            builder: (context) => StaffEditor(staff: user)),
-                      );
+                      Navigator.of(context)
+                          .push(BottomUpPageRoute(StaffEditor(staff: user)));
                     },
                     child: Row(
                       children: <Widget>[