Gemfile in knife-cookbook-cleanup-0.1.1 vs Gemfile in knife-cookbook-cleanup-1.0.0

@@ -1,2 +1,4 @@
-source "https://rubygems.org"
+# frozen_string_literal: true
+
+source 'https://rubygems.org'
 
 # Specify your gem's dependencies in knife-cookbook-cleanup.gemspec