#**Steps **

1 npm install 2 npm start 3) http://localhost:3000/api/getAdvertisement/{{format}} 4) http://localhost:3000/api/saveAdvertisement { "name":"Ariel2", "format":"Bottom Banner", "impressions":200, "startDate":"11/01/2016", "endDate":"12/31/2016", "advertHtml":"Bottom Banner"

}