Add clear local storage button to settings view

lib/src/settings/views/settings_view.dart

@@ -6,6 +6,7 @@ import 'package:excode/src/settings/providers/theme_provider.dart';
 import 'package:excode/src/settings/services/update_service.dart';
 import 'package:excode/src/settings/widgets/about_dialog.dart';
 import 'package:excode/src/settings/widgets/auth_dropdown.dart';
+import 'package:excode/src/settings/widgets/clear_dialog.dart';
 import 'package:excode/src/settings/widgets/dropdown_button.dart';
 import 'package:excode/src/settings/widgets/font_size_button.dart';
 import 'package:excode/src/settings/widgets/update_dialog.dart';
@@ -268,6 +269,22 @@ class SettingsView extends HookConsumerWidget {
                       'About and Credits',
                       style: TextStyle(fontSize: 16),
                     ),
+                  ),
+                  const Gap(10),
+                  ElevatedButton(
+                    onPressed: () {
+                      showDialog(
+                        context: context,
+                        builder: (BuildContext ctx) {
+                          return const ClearDialogWidget();
+                        },
+                      );
+                    },
+                    style: TextButton.styleFrom(minimumSize: const Size(0, 50)),
+                    child: const Text(
+                      'Clear local storage',
+                      style: TextStyle(fontSize: 16),
+                    ),
                   )
                 ],
               ),

lib/src/settings/widgets/clear_dialog.dart

@@ -0,0 +1,36 @@
+import 'package:excode/src/factory.dart';
+import 'package:flutter/material.dart';
+
+class ClearDialogWidget extends StatelessWidget {
+  const ClearDialogWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: const Text('Clear local storage'),
+      content: const Text(
+          'This clears all the settings and code stored locally and reverts the app to defaults when reopened.\nAre you sure you want to do this?'),
+      actions: [
+        ElevatedButton(
+            onPressed: () async {
+              try {
+                await box.deleteFromDisk();
+              } finally {
+                if (context.mounted) {
+                  Navigator.of(context).pop();
+                }
+              }
+            },
+            child: const Text('Confirm')),
+        ElevatedButton(
+          onPressed: () {
+            if (context.mounted) {
+              Navigator.of(context).pop();
+            }
+          },
+          child: const Text('Cancel'),
+        )
+      ],
+    );
+  }
+}