[feature] Support for communication notifications (ios 15)

[achaarawi]

Communication notifications are a new type of notification available in ios 15. You can read more about them here

It would be awesome if these were supported. Thanks!

Official Apple Guides:
https://developer.apple.com/design/human-interface-guidelines/ios/system-capabilities/notifications/
https://developer.apple.com/documentation/sirikit/insendmessageintent
https://developer.apple.com/documentation/sirikit/insendmessageintenthandling

Here are some guides that I came across when looking into it myself:
https://gist.github.com/Dexwell/dedef7389eae26c5b9db927dc5588905
https://stackoverflow.com/questions/68198452/ios-15-communication-notification-picture-not-shown