Update README.md

Author: Marc Cámara

README.md

@@ -20,6 +20,7 @@ Easy i18n localization for Laravel, an useful tool to combine with Laravel local
 - <a href="#config">Config</a>
     - <a href="#config-files">Config files</a>
     - <a href="#service-providers">Service providers</a>
+- <a href="#caching-routes">Caching routes</a>
 - <a href="#changelog">Changelog</a>
 - <a href="#license">License</a>
 
@@ -517,6 +518,10 @@ This config would add Catalan and Achinese as languages and override any other p
 
 You can create your own config providers and add them on your application config file (check the providers array in `config/app.php`).
 
+## Caching routes
+
+If you want to cache the routes in all languages, please refer to this package: [https://github.com/czim/laravel-localization-route-cache](https://github.com/czim/laravel-localization-route-cache)
+
 ## Changelog
 View changelog here -> [changelog](CHANGELOG.md)