Gemfile in offline_geocoder-0.1.0 vs Gemfile in offline_geocoder-0.2.0

@@ -1,4 +1,7 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in offline_geocoder.gemspec
 gemspec
+gem 'coveralls', require: false