ISO Codes

[BeejLuig]

Need to map country ISO Codes to currency: https://www.nationsonline.org/oneworld/country_code_list.htm
And map language codes to country:
https://www.loc.gov/standards/iso639-2/php/code_list.php

[kerrykimrusso]

map language codes to country

I think we can just default the language used for Intl.NumberFormat to the user's default.
https://codepen.io/kerrykimrusso/pen/aaYjrN?editors=0012

Need to map country ISO Codes to currency

Is this to set the default currency for the user? My vote would be to let the user set the to currency themselves. I think the only lookup we'll need is from the symbol of the currency being used in the page to the desired currency.

Seem right?