update tutorial to reflect current behaviors

Type of change

• Bug Fix
• Feature
• Documentation

Please provide link to gitlab issue or ADR(Architecture Decision Record)
#41 (closed)

Does this introduce a change in the core logic?

• [YES/NO] NO

Does this introduce a change in the cloud provider implementation, if so which cloud?

• AWS
• Azure
• GCP
• IBM

Does this introduce a breaking change?

• [YES/NO] NO

What is the current behavior?

Updating a record also sends a "create" event.

What is the new/expected behavior?

Updating a record sends an "update" event.

Have you added/updated Unit Tests and Integration Tests?

N/A

Any other useful information