moved sample zmq SUB client to test/

Former-commit-id: ab13e10271

src/cli/client.py

@@ -1,15 +0,0 @@
-import signal
-import zmq
-
-
-signal.signal(signal.SIGINT, signal.SIG_DFL)
-
-context = zmq.Context()
-
-socket = context.socket(zmq.SUB)
-socket.connect('tcp://localhost:5678')
-socket.setsockopt(zmq.SUBSCRIBE, b'status')
-
-while True:
-    message = socket.recv_multipart()
-    print(f'Received: {message}')