recipes can be added to db from createpage

lib/pages/recipe_detail_page.dart

@@ -2,6 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:rezepte/services/providers/recipe_provider.dart';
 
+import '../models/recipe.dart';
+
 class RecipeDetail extends StatelessWidget {
   const RecipeDetail({super.key});
   static const routeName = '/recipeDetail';
@@ -10,6 +12,9 @@ class RecipeDetail extends StatelessWidget {
   Widget build(BuildContext context) {
     final recipe = Provider.of<RecipeProvider>(context, listen: false).recipe;
 
+    if (recipe == null) Navigator.of(context).pop();
+    recipe as Recipe;
+
     return Scaffold(
       appBar: AppBar(),
       body: Center(