[Request] Add ISO 3166-2

[seb-at-nzrs]

Library name: ISO 3166-2
Git repository url: https://github.com/olahol/iso-3166-2.js
npm package url(optional):
License(s): MIT License
Official homepage: https://github.com/olahol/iso-3166-2.js
Wanna say something? Leave message here: Useful library for converting ISO-3166 Alpha2 and Alpha3 representation to countries.

Notes from cdnjs maintainer:
You are welcome to add a library via sending pull request,
it'll be faster then just opening a request issue,
and please don't forget to read the guidelines for contributing, thanks!!

[maruilian11]

@seb-at-nzrs sorry, but this lib doesn't have enough popularity(at least 100 watch or star). Please take a look on our README.md for detail.
we suggest you open a issue again when the repo has notable popularity.
thank you for your contribution.

[maruilian11]

@seb-at-nzrs this issue will be closed if there is no any response in next 7 day. thank you for your contribution.