Feature Request: Adding Support for MeterPlus
### Problem

HomeBridge shows the MeterPlus is not supported

### Solution

Add support for MeterPlus(US) in homebridge

### Alternatives

_No response_

### Additional context

Logs: [2/11/2022, 12:45:41 PM] [SwitchBot] Device: Meter with Device Type: MeterPlus, is currently not supported. [2/11/2022, 12:45:41 PM] [SwitchBot] Submit Feature Requests Here: https://git.io/JL14Z