Added podspec.

SubviewAttachingTextView.podspec

@@ -0,0 +1,16 @@
+Pod::Spec.new do |s|
+
+  s.name         = "SubviewAttachingTextView"
+  s.version      = "1.0.0"
+  s.summary      = "UITextView behavior and subclass that allow embedding subviews as attachments."
+  s.homepage     = "https://github.com/vlas-voloshin/SubviewAttachingTextView"
+  s.license      = "MIT"
+  s.author             = { "Vlas Voloshin" => "argentumko@gmail.com" }
+  s.social_media_url   = "https://twitter.com/argentumko"
+  s.platform     = :ios, "8.0"
+  s.source       = { :git => "https://github.com/vlas-voloshin/SubviewAttachingTextView.git", :tag => "#{s.version}" }
+
+  s.source_files  = "SubviewAttachingTextView/*.swift"
+  s.requires_arc = true
+
+end