added demo

README.md

@@ -14,6 +14,10 @@
 - simple, readable codebase
 - embedded UI
 
+### Demo
+
+[![Demo](https://github.com/user-attachments/assets/8b5df22f-7cb5-408f-a3fb-beaf612851a2)](https://youtu.be/f_oNw5Oy7nQ?si=OiquEXXabQX8LQ3t)
+
 ### UI
 
 Access the UI simply by navigating to port `8000` after starting your application. No separate deployment needed!
@@ -63,4 +67,4 @@ View all of your workflows and workflow events at http://localhost:8000!
 3. Create a workflow interface, like [OrderWorkflow](./example/src/main/java/org/example/workflow/OrderWorkflow.java). Include a method annotated with `@WorkflowFunction` in this interface.
 4. Implement your workflow, like [OrderWorkflowImpl](./example/src/main/java/org/example/workflow/OrderWorkflowImpl.java). You can call the activities you've created earlier by declaring them as fields and annotating the fields with `@Activity`.
 5. Register the workflow implementation and the activity implementations, like in [Config](./example/src/main/java/org/example/config/Config.java).
-6. Call your workflow, like in [Controller](./example/src/main/java/org/example/api/Controller.java).
+6. Call your workflow, like in [Controller](./example/src/main/java/org/example/api/Controller.java).