Add extra metadata to podspec

Signed-off-by: Joe Mattiello <[email protected]>

Hero.podspec

@@ -1,30 +1,36 @@
 # frozen_string_literal: true
 
 Pod::Spec.new do |s|
-  s.name             = 'Hero'
-  s.version          = '1.5.0'
-  s.summary          = 'Elegant transition library for iOS'
-
-  s.description      = <<-DESC
-                        Hero is a library for building iOS view controller transitions. It provides a declarative layer on top of the UIKit's cumbersome transition APIs. Making custom transitions an easy task for developers.
+  s.name              = 'Hero'
+  s.version           = '1.5.0'
+  s.summary           = 'Elegant transition library for iOS'
+
+  s.description       = <<-DESC
+                        Hero is a library for building iOS view controller transitions. 
+                        It provides a declarative layer on top of the UIKit's cumbersome transition APIs. 
+                        Making custom transitions an easy task for developers.
   DESC
 
-  s.homepage         = 'https://github.com/HeroTransitions/Hero'
-  s.screenshots      = 'https://github.com/HeroTransitions/Hero/blob/master/Resources/Hero.png?raw=true'
-  s.license          = 'MIT'
-  s.author           = { 
+  s.homepage          = 'https://github.com/HeroTransitions/Hero'
+  s.screenshots       = 'https://github.com/HeroTransitions/Hero/blob/master/Resources/Hero.png?raw=true'
+  s.documentation_url = 'https://herotransitions.github.io/Hero/'
+  s.screenshots       = [ https://git.io/JeRkv, https://git.io/JeRke, https://git.io/JeRkf, https://git.io/JeRkJ]
+  s.license           = { :type => 'MIT' }
+  s.author            = { 
     'Luke' => '[email protected]',
     'Joe Mattiello' => '[email protected]' 
   }
   s.source           = { git: 'https://github.com/HeroTransitions/Hero.git', tag: s.version.to_s }
 
+  s.cocoapods_version = '>= 1.4.0'
+
   s.ios.deployment_target = '8.0'
   s.tvos.deployment_target = '9.0'
 
   s.ios.frameworks = 'UIKit', 'Foundation', 'QuartzCore', 'CoreGraphics', 'CoreMedia'
   s.tvos.frameworks = 'UIKit', 'Foundation', 'QuartzCore', 'CoreGraphics', 'CoreMedia'
 
-  s.swift_versions = '4.2'
+  s.swift_version = '4.2'
 
   s.requires_arc = true