* Use transformer factory for Bite
- introduces separate transformer factory for non-LogNote events
- converter includes `ToEntities` for events defined via ABI
* Updates after rebasing with staging
* Add DB migrations for flog
* Add Vow addresses and constants
* Add err logging to ABI signature getter, test for flog sig
* Add flog transformer
* Add tests+data for flog transformer
* Prepend DB tables and columns with vow_
* Panic on failure to get method sig
* Add vat_move transformer base
* Add vat_move migrations
* Add test data for vat_move
* Add vat_move transformer to initialisers
* Add numeric cast to psql insert of Rad
* Add new db schema
* Dependency update
* Expand abbreviation in repository
* Add test suite for vat_move
* Add header checking to transformer and mock repository
* Remove trailing zero in test data
* Fix minor mishaps
* Go fmt nitpicking
* Refactoring in tests
* Add tests covering checked headers stuff (and fix revealed bugs)
* go fmt fixes
* Implement batching behaviour of transformer
* Small fixes after review
* Go fmt
* VatHeal Converter
* Add VatHeal repository
* Add VatHeal transformer
* Add VatHeal to continuousLogSync command
* Mark vat_init_checked as true when creating vat init records
* Update urn and v converting
* Return error if Repository.MarkCheckedHeader fails
* Add deleting vat heal from test cleanup method
* Log checked headers for Bite events
* Log checked headers for Drip drip events
* Log checked headers for Drip file events
- mark headers checked for 3 implementations of file on the Drip contract
* Log checked headers for Frob frob events
* Log checked headers for Pit file events
- mark headers checked for 3 implementations of file on the Pit contract
* Log checked headers for Vat init events
- mark header as checked if no matching logs
- mark header as checked if all matching logs persisted successfully
- batch convert and insert matching logs to enable transactional persist
- enable skipping previously checked block headers when restarting a sync
- Indicate that a header has been checked for logs if no logs returned
- Indicate that a header has been checked for logs when persisting a log
- Fetch headers that need to be checked based on absence of the above
