Rakefile in invoca-utils-0.1.0.pre.2 vs Rakefile in invoca-utils-0.1.0

@@ -1,5 +1,7 @@
 #!/usr/bin/env rake
+# frozen_string_literal: true
+
 require "bundler/gem_tasks"
 require 'rake/testtask'
 
 Rake::TestTask.new(:test) do |t|
   t.libs << 'lib'