updated project style guidelines

lib/view/settings/settings.dart

@@ -36,10 +36,7 @@ class _SettingsState extends State<Settings> {
   bool developerMode = false;
 
   @override
-  Widget build(BuildContext context) {
-
-    return Consumer<SettingsProvider>(builder: (context, settings, child) {
-      return Scaffold(
+  Widget build(BuildContext context) => Consumer<SettingsProvider>(builder: (context, settings, child) => Scaffold(
         appBar: AppBar(
           title: const Text('Einstellungen'),
         ),
@@ -218,8 +215,7 @@ class _SettingsState extends State<Settings> {
               leading: const Icon(Icons.policy_outlined),
               title: const Text('Impressum & Datenschutz'),
               onTap: () {
-                showDialog(context: context, builder: (context) {
-                  return SimpleDialog(
+                showDialog(context: context, builder: (context) => SimpleDialog(
                     children: [
                       ListTile(
                         leading: const CenteredLeading(Icon(Icons.school_outlined)),
@@ -243,8 +239,7 @@ class _SettingsState extends State<Settings> {
                         onTap: () => PrivacyInfo(providerText: 'mhsl', imprintUrl: 'https://mhsl.eu/id.html', privacyUrl: 'https://mhsl.eu/datenschutz.html').showPopup(context),
                       ),
                     ],
-                  );
-                });
+                  ));
               },
               trailing: const Icon(Icons.arrow_right),
             ),
@@ -297,7 +292,5 @@ class _SettingsState extends State<Settings> {
             ),
           ],
         ),
-      );
-    });
-  }
+      ));
 }