Add dynamic app version display in WelcomeScreen

lib/view/auth/login_option_screen.dart

@@ -8,6 +8,7 @@ import 'package:on_field_work/helpers/services/api_endpoints.dart';
 import 'package:on_field_work/view/auth/request_demo_bottom_sheet.dart';
 import 'package:on_field_work/helpers/utils/mixins/ui_mixin.dart';
 import 'package:on_field_work/helpers/widgets/wave_background.dart';
+import 'package:package_info_plus/package_info_plus.dart';
 
 enum LoginOption { email, otp }
 
@@ -31,6 +32,8 @@ class _WelcomeScreenState extends State<WelcomeScreen>
   late final Animation<double> _logoAnimation;
   bool get _isBetaEnvironment => ApiEndpoints.baseUrl.contains("stage");
 
+  String _appVersion = '';
+
   @override
   void initState() {
     super.initState();
@@ -43,6 +46,15 @@ class _WelcomeScreenState extends State<WelcomeScreen>
       curve: Curves.easeOutBack,
     );
     _controller.forward();
+
+    _fetchAppVersion();
+  }
+
+  Future<void> _fetchAppVersion() async {
+    PackageInfo packageInfo = await PackageInfo.fromPlatform();
+    setState(() {
+      _appVersion = '${packageInfo.version}+${packageInfo.buildNumber}';
+    });
   }
 
   @override
@@ -142,11 +154,14 @@ class _WelcomeScreenState extends State<WelcomeScreen>
                         option: null,
                       ),
                       const SizedBox(height: 36),
-                      MyText(
+
-                        'App version 1.0.0',
+                      // Dynamic App Version
-                        color: Colors.grey,
+                      if (_appVersion.isNotEmpty)
-                        fontSize: 12,
+                        MyText(
-                      ),
+                          'App version $_appVersion',
+                          color: Colors.grey,
+                          fontSize: 12,
+                        ),
                     ],
                   ),
                 ),