Add support for Bluetti Elite 200 V2

## General

Device Name: Bluetti Elite 200 V2
Device Bluetooth Prefix: Elite 200 V2
Device IoT protocol: V2
Device with encryption (yes/no): no
Similar device if available: EL100V2

### Additional Info
* **Full Advertised BLE Name:** Elite 200 V22512002239825
* **MAC Address:** E4:B3:23:6B:01:42
