Add support for Kucoin cryptocurrency exchange * spot trade stream https://docs.kucoin.com/#match-execution-data * spot orderbook depth stream https://docs.kucoin.com/#level2-5-best-ask-bid-orders * futures trade stream https://docs.kucoin.com/futures/#execution-data * futures orderbook depth stream https://docs.kucoin.com/futures/#message-channel-for-the-5-best-ask-bid-full-data-of-level-2
Add support for Kucoin cryptocurrency exchange
spot trade stream
https://docs.kucoin.com/#match-execution-data
spot orderbook depth stream
https://docs.kucoin.com/#level2-5-best-ask-bid-orders
futures trade stream
https://docs.kucoin.com/futures/#execution-data
futures orderbook depth stream
https://docs.kucoin.com/futures/#message-channel-for-the-5-best-ask-bid-full-data-of-level-2