add podspec, update version number

react-native-config.podspec

@@ -0,0 +1,21 @@
+require "json"
+
+package = JSON.parse(File.read(File.join(__dir__, "package.json")))
+
+Pod::Spec.new do |s|
+  s.name         = "react-native-config"
+  s.version      = package["version"]
+  s.summary      = "Expose config variables to React Native apps"
+  s.author       = "Pedro Belo"
+
+  s.homepage     = "https://github.com/thiemo--bleeken/react-native-config"
+
+  s.license      = "MIT"
+  s.platform     = :ios, "7.0"
+
+  s.source       = { :git => "https://github.com/thiemo--bleeken/react-native-config.git", :tag => "#{s.version}" }
+
+  s.source_files  = "ios/*.{h,m}"
+
+  s.dependency "React"
+end