update remaining links for add-user.md

doc/user/permissions.md

@@ -12,8 +12,8 @@ will be unassigned automatically.
 
 GitLab administrators receive all permissions.
 
-To add or import a user, you can follow the [project users and members
-documentation](../workflow/add-user/add-user.md).
+To add or import a user, you can follow the
+[project members documentation](../user/project/members/index.md).
 
 ## Project
 

doc/workflow/README.md

@@ -18,7 +18,7 @@
 - [Notification emails](notifications.md)
 - [Projects](../user/project/index.md)
 - [Project forking workflow](forking_workflow.md)
-- [Project users](add-user/add-user.md)
+- [Project users](../user/project/members/index.md)
 - [Protected branches](../user/project/protected_branches.md)
 - [Protected tags](../user/project/protected_tags.md)
 - [Quick Actions](../user/project/quick_actions.md)