Add podspec.

Author: kevin-lyn

STNetTaskQueue.podspec

@@ -0,0 +1,20 @@
+Pod::Spec.new do |s|
+  s.name         = "STNetTaskQueue"
+  s.version      = "0.0.1"
+  s.summary      = "Queue for managing network requests"
+
+  s.description  = <<-DESC
+                   STNetTaskQueue may be your choice if you want to handle each network request stuff in separated STNetTask instead of having all the network requests logics in a "Manager" class
+                   DESC
+
+  s.homepage     = "https://github.com/kevin0571/STNetTaskQueue"
+  s.license      = { :type => "MIT", :file => "LICENSE" }
+  s.author       = { "Kevin Lin" => "kevin_lyn@outlook.com" }
+
+  s.platform     = :ios, "7.0"
+  s.source       = { :git => "https://github.com/kevin0571/STNetTaskQueue.git", :tag => s.version }
+  s.dependency   "AFNetworking", "~> 2.0"
+
+  s.source_files = "STNetTaskQueue/*.{h,m}"
+  s.public_header_files = "STNetTaskQueue/*.h"
+end