Rakefile in slack-ruby-bot-server-stripe-0.1.0 vs Rakefile in slack-ruby-bot-server-stripe-0.2.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 require 'rubygems'
 require 'bundler/gem_tasks'
 
 require 'rspec/core'
 require 'rspec/core/rake_task'