fix: Add build mode to about widget

lib/ui/widgets/settingsView/about_widget.dart

@@ -61,6 +61,13 @@ class _AboutWidgetState extends State<AboutWidget> {
                           fontWeight: FontWeight.w300,
                         ),
                       ),
+                      Text(
+                        'Build: ${snapshot.data!['flavor']}',
+                        style: const TextStyle(
+                          fontSize: 13,
+                          fontWeight: FontWeight.w300,
+                        ),
+                      ),
                       Text(
                         'Model: ${snapshot.data!['model']}',
                         style: const TextStyle(

lib/utils/about_info.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 
@@ -7,6 +8,7 @@ class AboutInfo {
     final info = await DeviceInfoPlugin().androidInfo;
     return {
       'version': packageInfo.version,
+      'flavor': kReleaseMode ? 'release' : 'debug',
       'model': info.model,
       'androidVersion': info.version.release,
       'arch': info.supportedAbis.first