create recipe page edited

lib/widgets/difficulty_dropdown.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+import 'package:rezepte/models/recipe.dart';
+
+class DifficultyDropdown extends StatelessWidget {
+  const DifficultyDropdown({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    List<DropdownMenuEntry> dropdownMenuEntryList = List.generate(
+        Difficulty.values.length,
+        (index) => _toDropdownMenuEntry(
+            index, Difficulty.values.elementAt(index).name));
+
+    return DropdownMenu(
+      dropdownMenuEntries: dropdownMenuEntryList,
+    );
+  }
+
+  DropdownMenuEntry _toDropdownMenuEntry(int index, String text) =>
+      DropdownMenuEntry(value: index, label: text);
+}