add rspec

Gemfile

@@ -10,9 +10,17 @@ gem 'uglifier'
 gem "haml-rails"
 gem "susy" , "2.2.12"
 
+gem 'high_voltage'
+
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+  gem 'rspec-rails'
+end
+
+group :test do
+  gem 'capybara'
+  gem 'capybara-screenshot'
 end
 
 group :development do