v8.15.0

Added

• New Devices
  • Sonoff S40
• New Log Languages
  • Thai (thanks @tomzt)
• Configuration
  • offlineAsOff option for light devices - enable to show offline devices as 'off' in Homebridge/HomeKit

Changed

• Bump axios to v0.27.2
• Bump ws to v8.6.0
• Bump node recommended versions to v14.19.1 or v16.15.0