refactored cooking steps

lib/models/cooking_step.dart

@@ -0,0 +1,6 @@
+class CookingStep {
+  final String title;
+  final String description;
+
+  CookingStep({required this.title, this.description = ''});
+}

lib/models/ingredient.dart

@@ -10,4 +10,10 @@ class Ingredient {
     required this.possibleUnits,
     this.preferredBrands = const [],
   });
+
+  @override
+  bool operator ==(other) {
+    Ingredient i = other as Ingredient;
+    return title == i.title;
+  }
 }

lib/models/recipe.dart

@@ -1,13 +1,13 @@
 import 'difficulty.dart';
 import 'ingredient.dart';
-import 'steps.dart';
+import 'cooking_step.dart';
 
 class Recipe {
   final String title;
   final String description;
   final Difficulty? difficulty;
   final List<Ingredient> ingredients = [];
-  final Steps steps = Steps();
+  final List<CookingStep> steps = [];
 
   Recipe({
     required this.title,

lib/models/steps.dart

@@ -1,13 +0,0 @@
-/// Used to display the steps required to cook the referenced recipe
-class Steps {
-  final List<CookingStep> steps = [];
-
-  void add(CookingStep step) => steps.add(step);
-}
-
-class CookingStep {
-  final String title;
-  final String description;
-
-  CookingStep({required this.title, this.description = ''});
-}