updated project linter-rules and enforced them

lib/widget/debug/debugTile.dart

@@ -15,17 +15,17 @@ class DebugTile {
 
   Widget jsonData(Map<String, dynamic> data, {bool ignoreConfig = false}) {
     return callback(
-      title: "JSON daten anzeigen",
+      title: 'JSON daten anzeigen',
       onTab: () => JsonViewer.asDialog(context, data)
     );
   }
 
-  Widget callback({String title = "Debugaktion", required void Function() onTab}) {
+  Widget callback({String title = 'Debugaktion', required void Function() onTab}) {
     return child(
       ListTile(
         leading: const CenteredLeading(Icon(Icons.developer_mode_outlined)),
         title: Text(title),
-        subtitle: const Text("Entwicklermodus aktiviert"),
+        subtitle: const Text('Entwicklermodus aktiviert'),
         onTap: onTab,
       )
     );