Add child Quantity action added

config/locales/en.yml

@@ -17,6 +17,7 @@ en:
   field_code: 'Formula'
   field_shortname: 'Short name'
   button_retake: 'Retake'
+  button_child: 'Child'
   activerecord:
     errors:
       models:

config/routes.rb

@@ -27,6 +27,8 @@ resources :projects, shallow: true do
       resources :sources, only: [:index, :create, :destroy]
       resources :quantities, only: [:index, :new, :create, :edit, :update, :destroy] do
         member do
+          get 'new_child'
+          post 'create_child'
           post 'move/:direction', to: 'quantities#move', as: :move
         end
         collection do