Russian RUB is not supported

[GoodsHope]

https://api.frankfurter.app/latest?base=USD&symbols=RUB

It's really important for our site,GoodsHope.com

Seller/buyer use rub often,please support!

THANKS.

[hakanensari]

Thank you for your suggestion!

If you have a specific data source that includes the missing currencies in mind, please share.

We’re looking for non-commercial providers like the European Central Bank that publish current and historical daily rates at the end of each working day.

[claude]

Closing as this currency request has been consolidated in #144 for tracking. Please refer to #144 for updates on new currency implementations.