add podspec

SGPlayerVR.podspec

@@ -0,0 +1,16 @@
+Pod::Spec.new do |s|  
+  s.name              = 'SGPlayerVR'
+  s.version           = '2.0.2'
+  s.summary           = 'A media player framework for iOS, macOS, and tvOS.'
+  s.homepage          = 'https://github.com/nickarora/SGPlayer'
+
+  s.author            = { 'Name' => '[email protected]' }
+  s.license           = { :type => 'MIT', :file => 'LICENSE' }
+
+  s.platform          = :ios
+  s.source            = { :http => 'https://github.com/nickarora/SGPlayer/releases/download/v2.0.2/SGPlayerVR.zip' }
+
+  s.ios.deployment_target   = '8.0'
+  s.ios.vendored_frameworks = 'SGPlayer.framework'
+  s.static_framework        = true;
+end