* wip: add transfer auithorization
* feat: update transferAuthPayload
* switch to MAX_INT for value and use revoke flag
* tranfer handler: fix nonce rollback on EOA account
* feat: switch to session based session transfer auth
* Demurrage contracts require setting the approval value to 0 before updating the value after the initial limit is set
* This implementation auto-revokes every 15 min after arequest is created. Subsequent requests will fail untill the value is set back to 0
* feat: settable approve session timeout
* remove uncessary tasks and task handlers
* reafctor custodial container
* refactor gas refiller. Gas refiller can queue at a later time to match cooldown
* refactor sub handler to process chain events
* otx can nw be tracked at /api/track/:trackingId
* moved queries to queries folder
* fixed validation error check in ErrorHandler
* added enum package with enum types
* updated migrations: added enum tables
Mohamed Sohail