Rakefile in miyabi-0.3.0 vs Rakefile in miyabi-0.3.1

@@ -2,5 +2,9 @@
 require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
 task default: :spec
+
+task :gensig do
+  sh 'typeprof', '-r', 'nokogiri', '-o', 'sig/miyabi.gen.rbs', 'sig/miyabi.rbs', *Dir['lib/**/*.rb']
+end