MQTT Communication established

ReadMe.md

@@ -12,4 +12,29 @@ Interface: USB-UART
 ## Source
 
 Inspired by the following Project:
-https://github.com/stefanthoss/esp8266-fan-control
+https://github.com/stefanthoss/esp8266-fan-control
+
+## MQTT Control
+
+### Linux based Controller
+* Docker
+* Python3
+ * paho
+
+### Installation
+
+Open Terminal in **mqttclient**.
+
+Docker must be installed
+```docker build .```
+
+#### Execution
+
+Set the following parameter:
+* USB Device
+* MQTT
+ * Server Name / IP Address
+ * Base Topic
+
+
+ ```docker run -e MQTT_SERVER="192.168.x.y" -e MQTT_TOPIC="testtopic/" sha256:```