Update README.md

README.md

@@ -8,5 +8,5 @@ Python service which gets tasks from [hastic-server-node](https://github.com/has
 ## Arhitecture
 
 The service uses [asyncio](https://docs.python.org/3/library/asyncio.html), 
-[concurrency](https://docs.python.org/3.6/library/concurrent.futures.html#module-concurrent.futures) and 
+[concurrency](https://docs.python.org/3.6/library/concurrent.futures.html#module-concurrent.futures),
-[pyzmq](https://pyzmq.readthedocs.io/en/latest/). 
+[pyzmq](https://pyzmq.readthedocs.io/en/latest/) and websockets