As a developer I want to be notified when my file changes status

📇 User story

Summary

• As a developer
• I want to be notified when my file changes status
• So that I can do further processing on it

Acceptance criteria

• If I upload a file using the API
• I should be able to get notifications when my files change statuses

Additional points that need addressing

• I should be able to change my notification settings at any moment