add consumers to exports

Author: alex-laycalvert

src/packages/emmett-mongodb/src/eventStore/consumers/index.ts

@@ -0,0 +1 @@
+export * from './mongoDBEventStoreConsumer';

src/packages/emmett-mongodb/src/eventStore/index.ts

@@ -1,3 +1,4 @@
 export * from './mongoDBEventStore';
 export * from './projections';
 export * from './storage';
+export * from './consumers';