Merge pull request #26 from imcaizheng/job-replace-end-date-with-duration

add duration to ES mapping for job

Author: maxceem

src/scripts/createIndex.js

@@ -20,6 +20,7 @@ async function createIndex () {
             description: { type: 'text' },
             title: { type: 'text' },
             startDate: { type: 'date' },
+            duration: { type: 'integer' },
             numPositions: { type: 'integer' },
             resourceType: { type: 'keyword' },
             rateType: { type: 'keyword' },