[ZIL] Add reward block countdown on Dashboard #1246
Description
As an user I want to have the reward block countdown on dashboard so that I would be able to know when the next reward distribution will take place. Please follow below design: https://www.figma.com/file/Tg9SEyEEzZ8L565ZzEwQRB/Moonlet-3.0-Figma-iOS-UI-kit-2.0?node-id=12123%3A1325
