Add support Huawei Scales

[xes66]

Hi.
My scale - HUAWEY scale 3 pro-329.
Work app - Huawey health.

Привет.
У меня весы HUAWEY scale 3 pro-329.
Работают через приложение HUAWEY health.

[AlexxIT]

1. Please write in English.
2. A very hard task. Very complicated authorization.