Smart WiFi Ambient Light Model MSL450
* **Please explain your feature request in a one or two sentences.**

The Meross Smart Ambient Light model MSL450 doesn't appear to be recognised by the plugin

* **Is your feature request related to a problem? Please describe.**

An entry appears in the Homebridge log asking to post the data below

* **Any particular Meross devices that this relates to?**
Smart WiFi Ambient Light Model MSL450


* **Anything else?**
This appeard in the Homebridge log:
{"uuid":"2109032256719390855448e1e974e787","onlineStatus":1,"devName":"Nightlight","devIconId":"device_msl450_un","bindTime":1656499208,"deviceType":"msl450","subType":"un","channels":[{}],"region":"eu","fmwareVersion":"7.3.9","hdwareVersion":"7.0.0","userDevIcon":"","iconType":1,"skillNumber":"","cluster":3,"domain":"mqtt-eu-3.meross.com","reservedDomain":"mqtt-eu-3.meross.com","firmware":"7.3.9","hbDeviceId":"2109032256719390855448e1e974e787","model":"MSL450"}

