Added examples for CommandKit::Interactive.

examples/interactive.rb

@@ -0,0 +1,30 @@
+#!/usr/bin/env ruby
+
+$LOAD_PATH.unshift(File.expand_path('../../lib',__FILE__))
+require 'command_kit/command'
+require 'command_kit/interactive'
+
+class InteractiveCmd < CommandKit::Command
+
+  include CommandKit::Interactive
+
+  description 'Demonstrates interactive prompt input'
+
+  def run
+    you_entered = ->(result) {
+      puts "You entered: #{result.inspect}"
+      puts
+    }
+
+    you_entered[ask("Single-line input")]
+    you_entered[ask_secret("Secret input")]
+    you_entered[ask_yes_or_no("Yes or no prompt")]
+    you_entered[ask_multiple_choice("Multiple choice", %w[Red Green Blue])]
+    you_entered[ask_multiline('Multi-line comment 1')]
+  end
+
+end
+
+if __FILE__ == $0
+  InteractiveCmd.start
+end