Rakefile in administrate-field-carrierwave-0.3.2 vs Rakefile in administrate-field-carrierwave-0.3.3

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)