- controller golem15.user.organisations behind golem15.users.access_users
- list and form (name, slug preset from the name, description, avatar)
- members relation manager: link sets and unlink clears users.organisation_id
- deleting an organisation releases its members first
- Organisation gains Fillable, Rules, MorphName, AttachRelations, BeforeValidate
and the Members relation; models.Slugify
- navigation side item organisations
- TestAdminOrganisations, TestAdminOrganisationMembers, TestSlugify
- controller golem15.user.usergroups behind golem15.users.access_groups
- list with users_count from the list's own query; form with the checkbox
permission editor stored in user_groups.permissions
- creating a group with a privileged code, changing a code to or from one and
deleting a privileged group need golem15.users.manage_privileged_groups
- a group delete removes its users_groups rows in the same transaction
- UserGroup gains Fillable, Rules and the read-only UsersCount; PermissionSet.Text
- TestAdminGroups and the D-06 matrix in TestAdminPrivilegedGroups
