Gemfile in friendly_shipping-0.2.3 vs Gemfile in friendly_shipping-0.2.4

@@ -1,13 +1,16 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
-git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in friendly_shipping.gemspec
 gemspec
 
-gem 'vcr'
-gem 'webmock'
-gem 'pry'
 gem 'dotenv'
 gem 'factory_bot'
+gem 'pry'
 gem 'rspec_junit_formatter'
+gem 'rubocop'
+gem 'vcr'
+gem 'webmock'