Add a log statement

src/neo4j-stream-writer.ts

@@ -23,7 +23,7 @@ class Neo4jStreamWriter extends Writable {
   }
 
   public async _write(chunk, encoding, callback) {
-
+    console.log(chunk);
     const query = this.buildQuery(chunk);
     const neo4jSession: Session = this.neo4j.session();
     try {