Add babel task and move to src directory

common/script/src/content/eggs/index.js

@@ -0,0 +1,23 @@
+// value & other defaults set below
+let each = require('lodash').each;
+let defaults = require('lodash').defaults;
+let t = require('../helpers/translator');
+
+let dropEggs = require('./drops');
+
+each(dropEggs, (egg, key) => {
+  return defaults(egg, {
+    canBuy: true,
+    value: 3,
+    key: key,
+    notes: t('eggNotes', {
+      eggText: egg.text,
+      eggAdjective: egg.adjective
+    }),
+    mountText: egg.text
+  });
+});
+
+module.exports = {
+  dropEggs: dropEggs
+}