CC2531 Zigbee Gateway based on Zigbee2mqtt project

# Housing for a CC2531 USB Sniffer used as a Xiaomi Smart Home Aqara Gateway
The Zigbee2MQTT Bridge allows integration of Xiaomi Mi Aqara or Mijia home automation accessories into any home automation server. You will no longer need to use the official gateway.
[Step by step installation and configuration](
https://diyprojects.io/test-zigbee2mqtt-project-hack-xiaomo-aqara-smart-home-gateway-assembly-demo-nodered-3d-printed-case)
[How to include Xiaomi Aqara or Mijia smart home accessories on Domoticz with Node-RED](https://projetsdiy.fr/test-zigbee2mqtt-inclure-accessoires-xiaomi-aqara-mijia-domoticz-nodered/)

## BOM
[CC2531 USB Sniffer](http://s.click.aliexpress.com/e/nIeIYRn)

**Only to install firmware**
[Starter Kit](https://s.click.aliexpress.com/e/_d80St5k)
[TI CC Debugger](http://s.click.aliexpress.com/deep_link.htm?dl_target_url=https%3A%2F%2Fwww.aliexpress.com%2Fitem%2F1PCS-LOT-CC-Debugger-ZIGBEE-CC2540-CC2541%2F32696757366.html&aff_short_key=eqBMVNj)
[GBAN cable](