add a note about other transports.

Author: makasim

docs/bundle/quick_tour.md

@@ -9,6 +9,8 @@ It adds easy to use [configuration layer](config_reference.md), register service
 $ composer require enqueue/enqueue-bundle enqueue/amqp-ext
 ```
 
+_**Note**: You could use not only AMQP transport but other available: STOMP, Amazon SQS, Redis, Filesystem, Doctrine DBAL and others._
+
 ## Enable the Bundle
 
 Then, enable the bundle by adding `new Enqueue\Bundle\EnqueueBundle()` to the bundles array of the registerBundles method in your project's `app/AppKernel.php` file: