Update README

README.md

@@ -5,8 +5,83 @@
 [![License](https://img.shields.io/github/license/blavka/xComfortMQTT.svg)](https://github.com/blavka/xComfortMQTT/blob/master/LICENSE)
 [![PyPI](https://img.shields.io/pypi/v/xComfortMQTT.svg)](https://pypi.org/project/xComfortMQTT)
 
+## Installing
+
+You can install **xComfortMQTT** directly from PyPI:
+
+```sh
+sudo pip3 install -U xComfortMQTT
+```
+
+## Config
+
+Insert this snippet to the file /etc/xComfortMQTT.yml:
+```yml
+---
+shc:
+  host: 192.168.0.2
+  username: admin
+  password: very-strong-password
+
+mqtt:
+  host: 192.168.0.1
+```
+
+## Usage
+
+Update /etc/xComfortMQTT.yml and run
+
+```sh
+xComfortMQTT -c /etc/xComfortMQTT.yml
+```
+
+## Systemd
+
+Insert this snippet to the file /etc/systemd/system/xComfortMQTT.service:
+```
+[Unit]
+Description=xComfortMQTT
+After=network.target
+
+[Service]
+Type=simple
+User=pi
+ExecStart=/usr/local/bin/xComfortMQTT -c /etc/xComfortMQTT.yml
+Restart=always
+RestartSec=5
+StartLimitIntervalSec=0
+
+[Install]
+WantedBy=multi-user.target
+```
+
+Enable the service start on boot:
+```sh
+sudo systemctl enable xComfortMQTT.service
+```
+
+Start the service:
+
+```sh
+sudo systemctl start xComfortMQTT.service
+```
+
+View the service log:
+```sh
+journalctl -u xComfortMQTT.service -f
+```
+
+## PM2
+
+```sh
+pm2 start /usr/bin/python3 --name "xComfortMQTT" -- /usr/local/bin/xComfortMQTT -c /etc/xComfortMQTT.yml
+pm2 save
+```
+
 ## Development
 ```
+git clone [email protected]:blavka/xComfortMQTT.git
+cd xComfortMQTT
 ./test.sh
 sudo python3 setup.py develop
 ```