changed intro screen appbar and fixed german exkusion translation

changed homepage title

forgot that file

lib/screens/intro_screen.dart

@@ -46,7 +46,7 @@ class _IntroScreenState extends State<IntroScreen> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: const Text('FFOrte'),
+        title: Text('LUPUS'),
       ),
       body: Center(
         child: Container(