Rename project from NANAHUI to NANAXE

lib/main.dart

@@ -27,7 +27,7 @@ class NanahuiCrmApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp.router(
-      title: 'NANAHUI CRM',
+      title: 'NANAXE CRM',
       debugShowCheckedModeBanner: false,
       theme: AppTheme.lightTheme,
       darkTheme: AppTheme.darkTheme,

lib/screens/auth_screen.dart

@@ -25,7 +25,7 @@ class AuthScreen extends ConsumerWidget {
                 ),
                 const SizedBox(height: 32),
                 const Text(
-                  'NANAHUI CRM',
+                  'NANAXE CRM',
                   style: TextStyle(
                     fontSize: 32,
                     fontWeight: FontWeight.bold,

lib/screens/dashboard_screen.dart

@@ -8,7 +8,7 @@ class DashboardScreen extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: const Text('NANAHUI CRM'),
+        title: const Text('NANAXE CRM'),
         actions: [
           IconButton(
             icon: const Icon(Icons.settings),