'Pending' and 'Completed' tabs for NotificationPopOver.tsx

[Systemized]

https://gist.github.com/Systemized/6e329d6915c26177a9a2899ae33a6c6e

Deals in completed are currently stored in redis

1. Added new api route file to handle completed dealings at

• /app/api/deals/completed/route.ts

2. edited line 24 of

• app/api/deals/pending/route.ts

3. added line 64 to the file

• app/api/screen-all/route.ts

4. edited file to add new 'pending' and completed' UI in notification pop over

• components/NotificationPopover.tsx