Gemfile in csv2hash-0.6.2 vs Gemfile in csv2hash-0.6.3

@@ -4,5 +4,11 @@
 
 group :test do
   gem 'coveralls', require: false
   gem 'pry'
 end
+
+group :doc do
+  gem 'yard-tomdoc'
+  gem 'yard'
+  gem 'inch', require: false # https://github.com/rrrene/inch
+end