Appraisals in avromatic-1.0.0 vs Appraisals in avromatic-2.0.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 appraise 'rails5_0' do
   gem 'avro', '1.8.2'
   gem 'activesupport', '~> 5.0.6'
   gem 'activemodel', '~> 5.0.6'
 end