Add friends to Citra

Hello readers.

Is there a way to add friends in Citra Nightly.
I normally play Animal Crossing New Leaf and when I want to open my gate it says that I can open my gate to people who are in my Nintendo 3DS friend list, but how do I add people to the friend list?

I played ACNL but could not visit others and they could not visit me either because it was frozen so I play the welcome amiboo, it is like a new life update in the game it tells you if you want to use the new life data so you don’t lose anything.

Guys do u still play ACNL if you do can we play together