Create directory structure

[njsfield]

• [x] public/
  • [x] css/
  • [x] tachyons.css
  • [x] index.html
• [x] src/
  • [x] actions/
  • [x] index.js
  • [x] components/
  • [x] app.js
  • [x] containers/
  • [x] css/
  • [x] classnames
  • [x] helpers/
  • [x] reducers/
  • [x] index.js
  • [x] index.js