多语言支持

lib/main.dart

@@ -97,6 +97,17 @@ class _MyAppState extends State<MyApp> {
       supportedLocales: const [
         Locale('en'),
         Locale('zh'),
+        Locale('ja'),
+        Locale('ko'),
+        Locale('es'),
+        Locale('de'),
+        Locale('fr'),
+        Locale('pt'),
+        Locale('ru'),
+        Locale('hi'),
+        Locale('id'),
+        Locale('it'),
+        Locale('ar'),
       ],
       home: _isLoading
           ? const Scaffold(