As a developer I want to have access to a user Spring Boot repository so I can link users to daySheets and other classes

[x-snackage-x]

Further Details https://auth0.com/docs/quickstart/backend/java-spring-security5/interactive

Estimate M - Storypoints

Tasks Checklist

• [x] Implement a user repository that can be easily linked to the dependant classes
• [x] Connect users of the type participant to their timesheets
• [x] Implement a create and update service to add users
• [ ] Solution for User Table consistency for Devs Has to be done ad hoc amongst devs for now

Acceptance Criteria

• The user repository has enough Info to link to a user on auth0 and to identify the user in Compass (auth0 ID, first and last name)
• A reasonable amount of tests are delivered

Non-Functional Requirements

• Easily extensible and linked to other classes

Dependencies DaySheets, Categories, Ratings and reports depend on this user story.