* Add cast platform for extending Google Cast media_player
* Update tests
* Refactor according to review comments
* Add test for playing using a cast platform
* Apply suggestions from code review
Co-authored-by: jjlawren <jjlawren@users.noreply.github.com>
* Pass cast type instead of a filter function when browsing
* Raise on invalid cast platform
* Test media browsing
Co-authored-by: jjlawren <jjlawren@users.noreply.github.com>
