https://addons.mozilla.org/en-US/firefox/addon/its-all-text/...
But I don't see the advantage of editing text areas with atom, which presents an extremely similar text editing experience compared to the experience the text area already provided. On the other hand, moving to Vim to edit a particuarly long comment or what have you makes more sense because I get to use the crazy keybindings I've drilled into my fingers.