Add page to Ionic App and populate it with Firebase data

1. Add a page to existing app and populate it with Firebase database. The page should have use ionic virtual scroll to populate further data 2. The page is capable of updating certain data on the page via drop down menu. Explanation in the attached sheet. 3. The fetched data can be filtered based on the order status. Details on the attached sheet. 4. The data can be sortable based on different parameters . You can use ngx-datatables. 5. The AngularFire gas been already been used in the project. 6. The existing project will be provided via repository . 7. For a person, who knows Ionic/Angular, it is a maximum of 2-3 hours work. So bid accordingly . No more than 60 usd