BIG new version

Minimum supported Hass version 2021.12

• Support Integration GUI #178 #730
• Support Devices and Areas #83
• Support new eWeLink API #243 #306 #386 #438 #656
• Support multiple eWeLink accounts
• Support device model specification (all sensor entities exist by default)
• Support preventing DB size growth #272 #504
• Automatic setup RFBridge sensors

Other changes

• Adds support Sonoff S40 #739
• Adds support EntityCategory in new Hass versions #705
• Adds support delete device option
• Adds support device_class power #612
• Switch to async zeroconf / AsyncServiceBrowser #622 #624 @bdraco
• Fix unsupported for device_class power #745
• Fix iFan03 light entity unavailable #755