Added hub code

src/hub/hub.py

@@ -0,0 +1,22 @@
+"""
+Creates hub for distributed IoT
+
+@author hornetfighter515
+@author Lachezar Todorov
+"""
+
+from websocket_server import WebsocketServer
+
+def new_client(client, server):
+	print("Client has joined")
+
+def message_received(client, server, message):
+	print(message)
+
+int_server = WebsocketServer(host='127.0.0.1', port=6872)
+
+
+ext_server = WebsocketServer(host='127.0.0.1', port=6873)
+ext_server.set_fn_message_received(message_received)
+ext_server.set_fn_new_client(new_client)
+ext_server.run_forever()