Get course summary from Teachable

## script.js
var result = $('.section-item .item').get().reduce(function(total, item) {
  var text = $(item).text().split("\n").join(" ");
  var matches = /.+\((\d):(\d\d)\)/g.exec(text);

  var minutes = parseInt(matches[1]);
  var seconds = parseInt(matches[2]);

  var totalMin = total[0] + minutes;
  var totalSec = total[1] + seconds;

  if (totalSec > 60) {
    totalMin += 1;
    totalSec -= 60;
  }

  return [totalMin, totalSec]
}, [0,0]);

console.log($('.section-item .item').size() + " micro videos, " + result[0] + " minutes, " + result[1] + " seconds");