Add support for inline images, attribution text, image crop hint, aud… #9

Job	Run time
Build WinToastWrapper (win-x64)	1m 47s
Build MacNotifyWrapper (osx-arm64 + osx-x64)	12s
Build WinToastWrapper (win-arm64)	58s
Build WinToastWrapper (win-x86)	50s
Pack NuGet and publish release	20s
	4m 7s

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