Make it clear that Smartdown is deprecated
Make it clear that Smartdown is deprecated

aledelcueto/smart-answers,aledelcueto/smart-answers,alphagov/smart-answers,aledelcueto/smart-answers,stwalsh/smart-answers,stwalsh/smart-answers,alphagov/smart-answers,alphagov/smart-answers,alphagov/smart-answers,aledelcueto/smart-answers,stwalsh/smart-answers,stwalsh/smart-answers