Add API support for Mandala Exchange - by Binance cloud

Please add API support for Mandala Exchange.
This exchange is totally backed by Binance. Same developpers, same trading pairs and also SAFU.

Hey! Thanks for the feedback! In, we work based on a voting mechanism: the more upvotes your feature requests has, the faster it moves in our development pipeline. Hopefully, you’ll get enough upvotes from this community to have it implemented.