Update README.md

Author: rybakit

README.md

@@ -130,6 +130,8 @@ $queue = new RedisQueue($redis);
 
 #### TarantoolQueue
 
+To use the `TarantoolQueue` you have to install the [Tarantool PECL](https://github.com/tarantool/queue) extension and a [Lua script](https://github.com/tarantool/queue) for managing queues.
+
 ##### Constructor
 
 ```php