Adjusted appearance of car management page and removed debug prints

lib/feature/cars/presentation/car_management.dart

@@ -41,29 +41,29 @@ class _CarManagementOverviewState extends State<CarManagementOverview> {
   }
 
   Widget _buildCarOverview() {
-    return Padding(
-      padding: const EdgeInsets.all(10),
-      child: widget.cars.isEmpty ? const Center(child: Text("keine Fahrzeuge vorhanden")) :  ListView.builder(
-        itemBuilder:
-            (context, index) => CarCard(
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Padding(padding: const EdgeInsets.all(15), child: Text("Fahrzeuge", style: Theme.of(context).textTheme.headlineSmall),),
+        Expanded(child: Padding(
+          padding: const EdgeInsets.all(10),
+          child: widget.cars.isEmpty ? const Center(child: Text("keine Fahrzeuge vorhanden")) :  ListView.builder(
+            itemBuilder:
+                (context, index) => CarCard(
               car: widget.cars[index],
               onEdit: _editCar,
               onDelete: _removeCar,
             ),
-        itemCount: widget.cars.length,
-      ),
+            itemCount: widget.cars.length,
+          ),
+        ))
+      ],
     );
   }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(
-        title: Text(
-          "Fahrzeugverwaltung",
-          style: Theme.of(context).textTheme.headlineMedium,
-        ),
-      ),
       floatingActionButton: FloatingActionButton(
         onPressed: _addCar,
         backgroundColor: Theme.of(context).primaryColor,