* 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
- fetches logs from all three price feeds in one query
- assumes eth/usd price feed will be updated to include LogValue event
- updates transformers to run separate from header sync
* Move flip kick files pkg/transformers/flip_kick
* Consolidate test database setup
* Pull ganache ipcPath from config
* Update README to include info about using a Ganache chain
- update configuration section
- remove creating and migrating the db as a prerequisite for running test - it doesn't seem to be necessary
- add a public.toml.example config file to be copied and updated locally