Rakefile in glebtv-ckeditor-4.13.0

- old
+ new

@@ -1,5 +1,7 @@
 #!/usr/bin/env rake
+# frozen_string_literal: true
+
 # Add your own tasks in files placed in lib/tasks ending in .rake,
 # for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
 
 require File.expand_path('../config/application', __FILE__)
 