Create chain scraper to collect NFT data and ownership in database

[bilbolPrime]

1 - Listen to events for minting
2 - Update ownership if need be

[bilbolPrime]

Scraper for NFT transfers / mints
e12a041

[bilbolPrime]

Basic NFT scraper manager. Calls the scraper and updates in db.
e9b2995

[bilbolPrime]

Proper update of ownership in db

666a34c