CurrencyCon por anzi2001

Converts more than 100 currencies to your preferred one.
This add-on is my first try at publishing and I'm still a beginner in javascript, it will be buggy.
However, I will try to maintain and update this add-on as much as i can

Feel free to help and contribute, as well as giving suggestions:
https://github.com/anzi2001/Currency-converter.