Dashboard Page - Participants block

[tianchengc]

📝 Feature Description

Implement participants block in landing dashboard. Use static data for the interface. Make alphabetic list clickable, make each letter a button. Make participants list a separated component, named as Lean-Participant-List.

Connect api is tracked https://github.com/tianchengc/exable-admin/issues/25

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🎨 Design URL

Design URL

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⏱️ Time Estimate

• Estimated Hours: 8 hours

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📄 Acceptance Criteria

• [ ] Implement interface according to design
• [ ] NOT Required: Connect interface with api
• [ ] Pass manual test

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