Support for other media / apps / playback devices

- Look into [deeplink structures](https://community.home-assistant.io/t/appletv-integration-deep-link-urls-which-are-working/592862) for Netflix, Disney+, YouTube, Amazon Prime, etc. and support them
- Look into playback on [Google Cast](https://support.google.com/googlecast/answer/6102923?hl=en) enabled devices including smart speakers