add websocket server

wstest.py

@@ -0,0 +1,20 @@
+import asyncio
+import websockets
+
+async def hello():
+	uri = "ws://localhost:50005/messages"
+	async with websockets.connect(uri) as websocket:
+		name = "Andreas"
+
+		await websocket.send(name)
+		print(f"> {name}")
+
+		while True:
+			greeting = await websocket.recv()
+			print(f"< {greeting}")
+			if greeting == "bye":
+				break
+
+	print('out of here')
+
+asyncio.get_event_loop().run_until_complete(hello())