update doc

Author: zhenik

streams-client/readme.md

@@ -4,7 +4,8 @@ Testing only streams topologies in isolation.
 
 ## TODO
 - [X] Topology using dsl + local storage + avro schemas
-- [ ] Topology using processor api + local storage + avro schemas
+- [X] Topology using processor api + local storage + avro schemas
+- [ ] Clean tests + DRY
 
 ## Related Issues
 * [#877 - Passing Schema Registry URL twice to instantiate KafkaAvroSerializer](https://github.com/confluentinc/schema-registry/issues/877)