refactor: add instance created log message
This PR adds a new log record when an instance is created. This is needed to know to be able to have better metrics in the future.
Dependencies: None
Sandbox URL: N/A
Merge deadline: None
Testing instructions:
- Deploy to stage
- Create a new instance manually or with an instance factory
- Validate that the line is logged
- Open Kibana and search for the log line
Author notes and concerns:
- We may need other logs in the future to create visualizations in Kibana, but for now, this is the only case we cannot visualize. somehow
Reviewers