Dent (#10)

Convert and persist LogNote events as dent records

db/migrations/1534799167_create_dent_table.down.sql

@@ -0,0 +1 @@
+DROP TABLE maker.dent;

db/migrations/1534799167_create_dent_table.up.sql

@@ -0,0 +1,11 @@
+CREATE TABLE maker.dent (
+  db_id            SERIAL PRIMARY KEY,
+  header_id        INTEGER NOT NULL REFERENCES headers (id) ON DELETE CASCADE,
+  bid_id           NUMERIC NOT NULL UNIQUE,
+  lot              NUMERIC,
+  bid              NUMERIC,
+  guy              BYTEA,
+  tic              NUMERIC,
+	tx_idx           INTEGER NOT NUll,
+  raw_log          JSONB
+);