Add support for Xiaomi Curtain Driver E1
**Device model**
lumi.curtain.hmcn02

**Device name**
Xiaomi BLE Curtain Driver E1

** BLE  Gateway**
 lumi.gateway.mgl03

**Does the device require a MiCloud connection?**
No

**Anything special about the device?**
The Xiaomi E1 looks like the Aqara Zigbee curtain driver but is BLE only



