Revolutionary Speed Boost: New Storage Cache Introduced to Enhance Pruning Efficiency!

Engine Overhaul Promises Lightning-Fast Message Management, Elevating Performance Standards to New Heights!

Commit Details:

feat: add storage cache to speed up pruning (#717) * add storage cache * use event emitter to call revokeMessagesBySigner in engine * test engine listeners * log engine start and stop * fix prune messages cron * add more processEvent tests * ensure event listeners are removed on engine stop * move validation worker back into constructor * fix imports * more logging in engine and storage cache