Add some example code for teapot build.

ext/rakefile.rb

@@ -0,0 +1,12 @@
+
+require 'teapot'
+
+task :default do
+	controller = Teapot::Controller.new(__dir__)
+
+	controller.fetch
+
+	packages = ["Dependencies/ffi-clang", "variant-release", "platform-darwin-osx"]
+
+	controller.build(packages)
+end

ext/teapot.rb

@@ -0,0 +1,16 @@
+#
+#  This file is part of the "Teapot" project, and is released under the MIT license.
+#
+
+teapot_version "0.8.0"
+
+define_target "ffi-clang" do |target|
+	target.depends "Library/clang"
+	target.provides "Dependencies/ffi-clang"
+end
+
+define_configuration "ffi-clang" do |configuration|
+	configuration[:source] = "https://github.com/dream-framework/"
+
+	configuration.require "clang"
+end