Home Assistant support for Viomi Vacuum V8 (STYJ02YM)

This is for Viomi Vacuum V8 (STYJ02YM) (apparently EU version) with 3.5.3_0017 firmware.

Install:

• Install it with HACS
• Add the configuration to configuration.yaml, example:

vacuum:
  - platform: viomi_vacuum_v8
    host: 192.168.0.105
    token: !secret viomi_vacuum_v8_token
    name: 'Viomi Vacuum V8'

Services described in the services.yaml.