PodSpec added.

NRSlidingPlaceholderTextField.podspec

@@ -0,0 +1,14 @@
+Pod::Spec.new do |s|
+
+    s.name      = "NRSlidingPlaceholderTextField"
+    s.version   = "1.0.0"
+    s.license   =  { :type => 'MIT', :file => 'LICENSE' }
+    s.summary   = "TextFiled with placeholder's horizontal slide animation."
+    s.homepage  = "https://github.com/najeeb-ur-rehman/NRSlidingPlaceholderTextField.git"
+    s.author    = { "Najeeb Ur Rehman" => "[email protected]" }
+    s.social_media_url   = "https://twitter.com/najeeb_dev"
+    s.platform     = :ios, '8.0'
+    s.source       = { :git => "https://github.com/najeeb-ur-rehman/NRSlidingPlaceholderTextField.git", :tag => "#{s.version}" }
+    s.source_files = "NRSlidingPlaceholderTextField/Source/*"
+
+end