In the HD app, the members have a
skills, which is a container of their skills.
The projects have a
team, which is a container of the involved members.
On the edit form of a member / project, one should be able to edit the container as well.
Right now, the container field is displayed as an
input[type=text] field displaying
Part of the solution is probably to code a custom widget, though the server part is not solved by this.