Appraisals in tablesmith-0.5.0 vs Appraisals in tablesmith-0.6.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 appraise 'activerecord-4' do
   gem 'activerecord', '~> 4.0'
   gem 'sqlite3', '~> 1.3.6'
 end