add sso settings placeholder

config/routes.rb

@@ -95,6 +95,7 @@ Rails.application.routes.draw do
       resources :storage, only: %i[index create], controller: 'storage_settings'
       resources :email, only: %i[index create], controller: 'email_smtp_settings'
       resources :sms, only: %i[index], controller: 'sms_settings'
+      resources :sso, only: %i[index], controller: 'sso_settings'
     end
     resources :notifications, only: %i[index create], controller: 'notifications_settings'
     resource :esign, only: %i[show create new update destroy], controller: 'esign_settings'