upload NK server code

SERVER_CODE/cloud_service.py

@@ -0,0 +1,21 @@
+import websocket_server
+import event_hub_listener
+from multiprocessing import Process
+
+def start_WS_server():
+    websocket_server.start_websocket_server()
+
+def run_HUB_receiver():
+    event_hub_listener.start_event_hub_listener()
+
+def runInParallel(*fns):
+  proc = []
+  for fn in fns:
+    p = Process(target=fn)
+    p.start()
+    proc.append(p)
+  for p in proc:
+    p.join()
+
+if __name__ == '__main__':
+    runInParallel(start_WS_server, run_HUB_receiver)