Add support for ARKI

[MichaelDeBoey]

https://europe.ark-funds.com/funds/active-etfs/artificial-intelligence-robotics

Seems like this one was forgotten in #265

CC/ @frefrik

[MichaelDeBoey]

@frefrik Any idea on when this will/can be implemented?

I'm happy to help out myself btw, hence why I created #279