Update README.md with goal in the description (#82)

Author: Hedda

README.md

@@ -5,7 +5,9 @@
 
 [zigpy-deconz](https://github.com/zigpy/zigpy-deconz) is a Python 3 implementation for the [Zigpy](https://github.com/zigpy/) project to implement [deCONZ](https://www.dresden-elektronik.de/funktechnik/products/software/pc/deconz/) based [Zigbee](https://www.zigbee.org) radio devices.
 
-This uses the deCONZ serial protocol for communicating with [ConBee](https://www.dresden-elektronik.de/conbee/), [ConBee II (ConBee 2)](https://shop.dresden-elektronik.de/conbee-2.html), and [RaspBee](https://www.dresden-elektronik.de/raspbee/) adapters from [Dresden-Elektronik](https://github.com/dresden-elektronik/).
+The goal of this project to add native support for the Dresden-Elektronik deCONZ based ZigBee modules in Home Assistant via [Zigpy](https://github.com/zigpy/).
+
+This library uses the deCONZ serial protocol for communicating with [ConBee](https://www.dresden-elektronik.de/conbee/), [ConBee II (ConBee 2)](https://shop.dresden-elektronik.de/conbee-2.html), and [RaspBee](https://www.dresden-elektronik.de/raspbee/) adapters from [Dresden-Elektronik](https://github.com/dresden-elektronik/).
 
 # Releases via PyPI
 Tagged versions are also released via PyPI