Add specific actions to `node_type = Repository`

[tomsmith8]

Task

If node type = repository, add these specific actions to the + button.

• Remove Merge
• Remove Add Edge

New + icons:

• Generate Tests public/svg-icons/AddCircleIcon.svg
• Add Comments public/svg-icons/DocumentIcon.svg
• Review Bugs public/svg-icons/ConstructionIcon.svg
• Find Vulnerabilities public/svg-icons/RobotIcon.svg

Acceptance Criteria

• [ ] Add new UI actions to node type Repository only
• [ ] No actions yet (future ticket)

[aliraza556]

@tomsmith8 Please assign me?

[MirzaHanan]

@tomsmith8 assign me?

[MuhammadUmer44]

@tomsmith8 i can help?

[MahtabBukhari]

assign?