Ansible adaptions (config_example)

config_example/config.py

@@ -3,7 +3,7 @@
 import os
 import report
 
-QTT_USER = "<mqtt_smarthome_username>"
+MQTT_USER = "<mqtt_smarthome_username>"
 MQTT_PASS = "<mqtt_smarthome_password>"
 MQTT_SERVER = "<mqtt_smarthome_hostname>"
 MQTT_TOPIC = "<mqtt_powerplug_topic>"