add sinatra dependency
add foreman to run this thing
super-simple sinatra app
move all static files into public directory
Merge branch 'add-sinatra'

* add-sinatra: (24 commits)
  move all static files into public directory
  super-simple sinatra app
  add foreman to run this thing
  add sinatra dependency
  style that button!
  show success/failure message in main area
  remove gesture experiment
  remove ender-poke (gestures aren't needed for now)
  apply styling to quiz
  toggle classes so styles are reasonable
  use a different id for main section
  show a new quiz when asked
  rework the way templates are stored and rendered
  show a new quiz button after a guess
  roll quiz back into main file
  add valentine (functional js)
  add simple guess-checker
  simplify generation of questions
  split Random Array methods into a new file
  add a utility function to create the random subset
  ...