chore(groups): Initial implementation of user groups

[javirln]

This patch introduces a new service, GroupService, with several endpoints for managing groups within the system. For now, it includes a basic implementation of CRUD operations and the ability to list members within a group. Member management (adding/removing users) will be handled in a separate PR as well as CLI changes.

It includes:

• Two new tables:
  • Group: Stores general group information.
  • GroupUser: A join table between Groups and Users that tracks user-specific metadata, such as whether the user is a group maintainer, when they were added, updated, or removed from the group.
• Tests of the biz layer
• Audit logs events:
  • GroupCreated
  • GroupUpdated
  • GroupDeleted
• Authz policies for the groups:
  • Only Organization admins/owners can perform all operations to the groups and group members.

Ref: #2120

[jiparis]

I think you didn't push yet the membership part, right?

[jiparis]

Is this to search groups where this person is a member?

[migmartri]

Thanks @javirln added some comments inline, but in general lgtm

[javirln]

I think you didn't push yet the membership part, right?

No, the membership management will come in the next PR I have ready that depends on this one.

[javirln]

@jiparis @migmartri with regard the comment on what's the filter about email user. That's indeed to search the groups a member is part of. Conbined with the filter about maintainers, we can perform look ups to know the groups a specific person is part of. I've added because it seems reasonable to me to be honest and can be useful for admins/owners.