Design and implement a project management system where users can be assigned to projects and roles. Some users can also be associated with the host so tyhey can manage all projects.

Core concepts of this domain:
Host
HostLicense
Project: Create, Activate, Deactivate, Export & Import, Create reports, Manage Licenses, manage settings, ...
ProjectService
ProjectLicense
User
Role
HostSettings
ProjectSettings
UserSettings
Permission