Add specs configuration

spec/support/capybara.rb

@@ -0,0 +1,3 @@
+# frozen_string_literal: true
+
+Capybara.server = :puma

spec/support/drivers.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+RSpec.configure do |config|
+  config.before(:each, type: :system) do
+    driven_by(:selenium_chrome_headless)
+  end
+end