* Add support for macOS
- Add PlayerView for switching between UIKit and AppKit view class
- Remove imports of UIKit
- Replace UIView uses with PlayerView
- Add #if for cases that are not supported on macOS
- Update podspec for macOS specific configuration
* Add documentation for PlayerView
* Fix brace placement
* Lower macOS minimum deployment target
* Change type oif RegularPlayerView to PlayerView
* Updated parameters to support macOS and tvOS
* Switch to canImport() from os()
* Revert canImport() back to os() in on instance