Iso-3166-1-alpha-3 Packages

Fetches ISO 3166-1 country codes from https://www.iso.org/obp/ui/#search

Provides ISO 3166-1 values and types. Country codes are fetched from [`takuma7/iso-3166-1-csv`](https://github.com/takuma7/iso-3166-1-csv/blob/main/iso-3166-1.csv), which contains up-to-date canonical codes scraped from ISO's website.