updated project style guidelines

lib/view/settings/privacyInfo.dart

@@ -11,8 +11,7 @@ class PrivacyInfo {
   PrivacyInfo({required this.providerText, required this.imprintUrl, required this.privacyUrl});
 
   void showPopup(BuildContext context) {
-    showDialog(context: context, builder: (context) {
-      return SimpleDialog(
+    showDialog(context: context, builder: (context) => SimpleDialog(
         title: Text('Betreiberinformation | $providerText'),
         children: [
           ListTile(
@@ -28,7 +27,6 @@ class PrivacyInfo {
             onTap: () => ConfirmDialog.openBrowser(context, privacyUrl),
           ),
         ],
-      );
-    });
+      ));
   }
-}
+}