added auditing.

src/clj/auto_ap/datomic/migrate/audit.clj

@@ -0,0 +1,12 @@
+(ns auto-ap.datomic.migrate.audit)
+
+(def norms-map {::add-audit-fields
+                {:txes [[{:db/ident :audit/user
+                          :db/doc "Which user commited this transaction"
+                          :db/valueType :db.type/string
+                          :db/cardinality :db.cardinality/one}
+
+                         {:db/ident :audit/batch
+                          :db/doc "Which batch was this part of"
+                          :db/valueType :db.type/string
+                          :db/cardinality :db.cardinality/one}]]}})