Add js-routes to use Route helpers in JavaScript

config/initializers/js_routes.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+JsRoutes.setup do |config|
+  config.documentation = false
+  config.prefix = Rails.application.config.relative_url_root
+  config.url_links = true
+end