Add printer to mqtt

printer/printer.py

@@ -17,6 +17,7 @@ def on_connect(client, userdata, flags, rc):
 
 # The callback for when a PUBLISH message is received from the server.
 def on_message(client, userdata, msg):
+    print("Print")
     with open("printer/locations.txt") as locations:
     lines = locations.read().splitlines()
     location = random.choice(lines)