finished grade exporting

refilc_mobile_ui/lib/screens/settings/submenu/extras_screen.dart

@@ -10,6 +10,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_feather_icons/flutter_feather_icons.dart';
 import 'package:provider/provider.dart';
 import 'package:refilc_plus/ui/mobile/settings/submenu/calendar_sync.dart';
+import 'package:refilc_plus/ui/mobile/settings/submenu/grade_exporting.dart';
 import 'package:refilc_plus/models/premium_scopes.dart';
 import 'package:refilc_plus/providers/plus_provider.dart';
 import 'package:refilc_plus/ui/mobile/plus/upsell.dart';
@@ -158,6 +159,16 @@ class ExtrasSettingsScreenState extends State<ExtrasSettingsScreen> {
                   ),
                 ],
               ),
+              SplittedPanel(
+                padding: const EdgeInsets.only(top: 9.0),
+                cardPadding: const EdgeInsets.all(4.0),
+                isSeparated: true,
+                children: [
+                  MenuGradeExporting(
+                    borderRadius: BorderRadius.circular(12.0),
+                  ),
+                ],
+              ),
             ],
           ),
         ),