Renamed Ingredient -> Food

Ingredient is now part of composition (meal/recipe/dish)

lib/body_tracking/items_with_quantities.rb

@@ -1,10 +1,10 @@
 module BodyTracking
   module ItemsWithQuantities
     RELATIONS = {
-      'Ingredient' => {
+      'Food' => {
         domain: :diet,
         subitem_class: Nutrient,
-        foreign_key: :ingredient_id,
+        foreign_key: :food_id,
         value_field: :amount
       },
       'Measurement' => {

lib/body_tracking/project_patch.rb

@@ -5,7 +5,7 @@ module BodyTracking::ProjectPatch
     has_many :measurement_routines, dependent: :destroy
     has_many :measurements, -> { order "taken_at DESC" }, dependent: :destroy,
       extend: BodyTracking::ItemsWithQuantities, through: :measurement_routines
-    has_many :ingredients, -> { order "name" }, dependent: :destroy,
+    has_many :foods, -> { order "name" }, dependent: :destroy,
       extend: BodyTracking::ItemsWithQuantities
 
     has_many :sources, dependent: :destroy