Rakefile in solidus_volume_pricing-0.2.1 vs Rakefile in solidus_volume_pricing-1.0.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 require 'bundler'
 Bundler::GemHelper.install_tasks
 
 require 'rspec/core/rake_task'
 require 'spree/testing_support/extension_rake'