Update readme

README.md

@@ -1 +1,28 @@
-# Transaction Consumer
+# Expense Stream
+This is an example to demonstrate how Akka Stream coexists with Akka Typed. You can read the full article [here](https://kaplan.dev/articles/akka-stream-coexistence-with-akka-typed/).
+
+### How to Run
+Create a local kafka cluster and required topics
+```bash
+cd kafka-docker
+docker-compose up -d
+```
+
+Start kafka console consumer to read the results
+```bash
+kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic transactions-destination
+```
+
+Run the application
+```bash
+sbt run
+```
+
+Copy example payload and send it with producer
+```bash
+xclip -selection clipboard payload.json
+kafka-console-producer.sh --broker-list localhost:9092 --topic transactions-source
+> { "id": "1234", "amount": 13.37, "description": "Test", "timestamp": 1589133043 }
+>
+```
+