This PR create Gateio Perpetual connector to the latest coding standards.
in case of "CEX Connectors Revamp"(https://forum.hummingbot.org/t/hip-cex-connectors-revamp/212)
To build new perpetual connector, it lays the foundation for future derivative connectors by introducing a new base class called PerpetualDerivativePyBase. This class adopts the same practices proposed by ExchangePyBase but with respect to funding fee polling.
Link to PR: https://github.com/hummingbot/hummingbot/pull/5798