Employees in project - UI and logic

[anemne]

Each customer case should include a list of employees who have contributed to the project. We need to create mini-profile cards for each employee, linking them to the case. These profile cards should feature essential details (e.g., name, role, photo) and should be displayed as shown in the images below:

[mathiazom]

Should probably specify employees by alias (e.g. the part before @ in the email address), and then fetch details (name, role, photo) from Chewbacca.

[mathiazom]

Closed by #831