* kucoin: quick batching support for ticker/trades and orderbooks
* fix test
* kucoin: move pieces add commentry
* kucoin: optimise listOfAssetsCurrencyPairEnabledFor and refactor implementations, address specific orderbook channel subscription handling
* glorious: nits
* thx @thrasher-: nits addressed
* rm types and tests that are not needed
* rm subs checking code, and convert to types.Number
* not needed anymore
* fix tests
* set up reader routine to process updates before init a potential slow websocket subscriber
* implement glorious suggestion
* glorious: nitters
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Co-authored-by: Ryan O'Hara-Reid <ryan.oharareid@thrasher.io>
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