(VDB-298) Consume Pit contract storage diffs

- Continuously parse storage diffs CSV data to read Pit contract state
- Convert ilks in database to raw bytes32 value for use in generating
  storage keys dynamically
- Persist storage diffs with block number and hash for validation

pkg/transformers/storage_transformers.go

@@ -0,0 +1,17 @@
+package transformers
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/factories/storage"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/storage_diffs/maker"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/storage_diffs/maker/pit"
+)
+
+func GetPitStorageTransformer() storage.Transformer {
+	return storage.Transformer{
+		Address:    common.HexToAddress(constants.PitContractAddress()),
+		Mappings:   &pit.PitMappings{StorageRepository: &maker.MakerStorageRepository{}},
+		Repository: &pit.PitStorageRepository{},
+	}
+}