[Add] SnapKit (1.1.1)

SnapKit/1.1.1/SnapKit.podspec

@@ -0,0 +1,18 @@
+Pod::Spec.new do |s|
+  s.name = 'SnapKit'
+  s.version = '1.1.1'
+  s.license = 'MIT'
+  s.summary = 'Harness the power of auto layout with a simplified, chainable, and compile time safe syntax.'
+  s.homepage = 'https://github.com/SnapKit/SnapKit'
+  s.authors = { 'Robert Payne' => 'robertpayne@me.com' }
+  s.social_media_url = 'http://twitter.com/robertjpayne'
+  s.source = { :git => 'https://github.com/SnapKit/SnapKit.git', :tag => '5.0.1' }
+
+  s.ios.deployment_target = '10.0'
+  s.osx.deployment_target = '10.12'
+  s.tvos.deployment_target = '10.0'
+
+  s.source_files = 'Source/*.swift'
+
+  s.swift_version = '5.0'
+end