move approvals to the new controller

config/routes.rb

@@ -145,10 +145,7 @@ Rails.application.routes.draw do
 
     # Customization for medical releases
     resources :medical_releases, only: [], concerns: :taggable do
-      member do
-        get :review
-        patch :approve
-      end
+      resource :approvals, only: [:new, :create]
     end
 
     resources :bulk_taggings, only: [:new, :create]