Add babel task and move to src directory

common/script/content/faq.js

@@ -1,24 +0,0 @@
-let t = require('./helpers/translator');
-
-const NUMBER_OF_QUESTIONS = 12;
-
-let faq = {};
-
-faq.questions = [];
-
-for (var i = 0; i < NUMBER_OF_QUESTIONS; i++) {
-  let question = {
-    question: t('faqQuestion' + i),
-    ios: t('iosFaqAnswer' + i),
-    web: t('webFaqAnswer' + i)
-  };
-
-  faq.questions.push(question);
-}
-
-faq.stillNeedHelp = {
-  ios: t('iosFaqStillNeedHelp'),
-  web: t('webFaqStillNeedHelp')
-};
-
-module.exports = faq;