add CORS access for sanasto.app

config/application.rb

@@ -1,6 +1,7 @@
 require_relative "boot"
 
 require "rails/all"
+require_relative "../lib/middleware/sanasto_cors"
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
@@ -24,5 +25,7 @@ module SanastoWiki
     # config.time_zone = "Central Time (US & Canada)"
     # config.eager_load_paths << Rails.root.join("extras")
     config.active_record.schema_format = :sql
+
+    config.middleware.insert_before 0, Middleware::SanastoCors
   end
 end