Add support for tvOS in podspec
Add support for tvOS in podspec

gshaviv/XCDYouTubeVideoPlayerViewController,creationst/XCDYouTubeKit,kumabook/XCDYouTubeKit,mingsai/XCDYouTubeVideoPlayerViewController,c0unt0/XCDYouTubeKit,gshaviv/XCDYouTubeVideoPlayerViewController,twobitlabs/XCDYouTubeKit,morrisirrom/XCDYouTubeKit,0xced/XCDYouTubeKit,c0unt0/XCDYouTubeKit,twobitlabs/XCDYouTubeKit,c0unt0/XCDYouTubeKit,morrisirrom/XCDYouTubeKit,kumabook/XCDYouTubeKit,kumabook/XCDYouTubeKit,mingsai/XCDYouTubeVideoPlayerViewController,c0unt0/XCDYouTubeKit,twobitlabs/XCDYouTubeKit,c0unt0/XCDYouTubeKit,itamaker/XCDYouTubeKit,kumabook/XCDYouTubeKit,twobitlabs/XCDYouTubeKit,morrisirrom/XCDYouTubeKit,kumabook/XCDYouTubeKit,gshaviv/XCDYouTubeVideoPlayerViewController,gshaviv/XCDYouTubeVideoPlayerViewController,gshaviv/XCDYouTubeVideoPlayerViewController,kumabook/XCDYouTubeKit,morrisirrom/XCDYouTubeKit,itamaker/XCDYouTubeKit,gshaviv/XCDYouTubeVideoPlayerViewController,creationst/XCDYouTubeKit,mingsai/XCDYouTubeVideoPlayerViewController,morrisirrom/XCDYouTubeKit,0xced/XCDYouTubeKit,mingsai/XCDYouTubeVideoPlayerViewController,0xced/XCDYouTubeKit,creationst/XCDYouTubeKit,creationst/XCDYouTubeKit,0xced/XCDYouTubeKit