- Role System
The role system is applied to a module.
You can assign read, write, create, or admin access to each active module.
Example:
    Rolename:
        Senior Developer
    Rights:
        - Todos:
            - Read
            - Write
            - Create
        - Files:
            - Read
            - Write
        - Notes:
            - Admin

- Definitions:
Read access:   Allow to see all the items in the module.
Write access:  Allow to update all the items in the module.
Create access: Allow to create new items in the module.
Admin access:  Allow to do all in the module.

- Relations with users
In each project, the user can assign one role for each users.
The current user (the owner or with admin access), canīt change their role.
If the user donīt have a role for one project,
the parent project-role relation is used.
The first project-role relation (root project - role 1),
is used by default for all, and canīt be deleted.