Gemfile in translator-text-0.2.0 vs Gemfile in translator-text-0.3.0

@@ -1,13 +1,16 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 # git_source(:github) {|repo_name| 'https://github.com/#{repo_name}' }
 
-group :test do
+group :test, :development do
   gem 'dotenv'
   gem 'rake', '~> 12'
   gem 'rspec', '~> 3'
   gem 'rubocop'
+  gem 'rubocop-rspec'
   gem 'simplecov', require: false
   gem 'webmock'
   gem 'yard'
 end