updated project style guidelines

lib/view/pages/more/roomplan/roomplan.dart

@@ -5,8 +5,7 @@ class Roomplan extends StatelessWidget {
   const Roomplan({super.key});
 
   @override
-  Widget build(BuildContext context) {
-    return Scaffold(
+  Widget build(BuildContext context) => Scaffold(
       appBar: AppBar(
         title: const Text('Raumplan'),
       ),
@@ -17,5 +16,4 @@ class Roomplan extends StatelessWidget {
         backgroundDecoration: BoxDecoration(color: Theme.of(context).colorScheme.background),
       ),
     );
-  }
 }