* On initial app launch, `Get Recent 20 Block` will fetch recent block and tableview will be hidden
if number of fetched blocks are zero.
* Pull to refresh will fetch the most recent `last_irreversible_block_num` number and generate 20
more block numbers.
* Displays Producer, Producer's Signature, Transactions count, and raw JSON
* Toggle can switch on and off to show and hide raw JSON contents
- There are two build config this project can run.
- 1 Debug: App will fetch Mock Data from a JSON file
- 2 Release: App will hit API to fetch Data.
- EOSManager
- Object that manges API Endpoints
- Calls Endpoints and parse response data