Attach a topic to multiple parents

[Pixaria25]

Description

Create a topic as a child of multiple topics.

What is the valuable outcome that cannot be achieved with current features?

For which stakeholder (people, role, project, domain) is it important?

Which user action should be enabled (or restricted)? For who?

Additional details (solutions you think about, or workarounds you tried)

Deliverables status

Phase 1

• [ ] Scenarios (Gherkin)
• [ ] Mockups
• [ ] Implementation strategy

Phase 2

• [ ] Acceptance tests (Capybara)
• [ ] Implementation

Phase 3

• [ ] Screencast