Add podspec

Author: devxoul

SafeIndex.podspec

@@ -0,0 +1,16 @@
+Pod::Spec.new do |s|
+  s.name             = "SafeIndex"
+  s.version          = "0.1.0"
+  s.summary          = "Optional Index for Swift"
+  s.homepage         = "https://github.com/devxoul/SafeIndex"
+  s.license          = { :type => "MIT", :file => "LICENSE" }
+  s.author           = { "Suyeol Jeon" => "[email protected]" }
+  s.source           = { :git => "https://github.com/devxoul/SafeIndex.git",
+                         :tag => s.version.to_s }
+  s.source_files     = "Sources/*.swift"
+  s.requires_arc     = true
+
+  s.ios.deployment_target = "8.0"
+  s.osx.deployment_target = "10.9"
+  s.tvos.deployment_target = "9.0"
+end