improving error handling

lib/screens/contact/contact_screen.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:qpay/models/responsive_policy.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 class ContactScreen extends StatelessWidget {
   const ContactScreen({super.key});
@@ -186,7 +187,10 @@ class ContactScreen extends StatelessWidget {
             title: 'Instagram',
             subtitle: 'Follow us for updates',
             onTap: () {
-              // Instagram link will be added later
+              launchUrl(
+                Uri.parse('https://www.instagram.com/velocityafrica/'),
+                mode: LaunchMode.externalApplication,
+              );
             },
           ),
           const SizedBox(height: 8),
@@ -200,7 +204,10 @@ class ContactScreen extends StatelessWidget {
             title: 'WhatsApp',
             subtitle: 'Chat with us directly',
             onTap: () {
-              // WhatsApp link will be added later
+              launchUrl(
+                Uri.parse('https://wa.me/263787770295'),
+                mode: LaunchMode.externalApplication,
+              );
             },
           ),
         ],
@@ -293,4 +300,4 @@ class ContactScreen extends StatelessWidget {
       ),
     );
   }
-}
+}