Feature Request: Add support for Android 13+'s themed/monochrome app icons

Currently, this app looks out of place in Android 13+ launchers when Themed App Icons is turned on. To remedy this, I suggest adding a monochrome app icon for this app so that Themed App Icons works as intended.

Further information: https://developer.android.com/about/versions/13/features#themed-app-icons https://developer.android.com/develop/ui/views/launch/icon_design_adaptive#user-theming