Add podspec

CommandBus.podspec

@@ -0,0 +1,16 @@
+Pod::Spec.new do |s|
+  s.name         = "CommandBus"
+  s.version      = "0.0.1"
+  s.summary      = "CommandBus is a light weight Command Bus implementation written in Swift"
+
+  s.description  = "CommandBus is a light weight Command Bus implementation written in Swift. You can use it in order to facilitate your Command pattern implementation. It's also recommanded to use this pattern in a Domain Driven Design achitecture."
+
+  s.homepage     = "https://github.com/Ekhoo/CommandBus"
+  s.license      = { :type => "MIT", :file => "LICENSE" }
+  s.author       = { "Lucas Ortis" => "me@lucas-ortis.com" }
+  s.platform     = :ios, "8.0"
+  s.source       = { :git => "https://github.com/Ekhoo/CommandBus.git", :tag => s.version.to_s }
+  s.source_files = "Source/*.swift"
+  s.requires_arc = true
+  s.dependency   "SwiftyJSON", "~> 2.3.0"
+end