Add empty-state illustration/message to EventsContent.tsx when no events exist

[Akatenvictor]

Context

EventsContent.tsx renders mock event data. There's no defined empty state for when an artist has zero events, which will be needed once real data (with possibly zero events) is wired in.

Acceptance Criteria

• An empty state message and call-to-action (e.g. 'Create your first event') renders when the events list is empty
• Empty state matches existing dashboard visual style
• Existing populated-list rendering is unaffected

[Adesam007-pr3dator]

@Adesam007-pr3dator has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi I would love to work on this issue

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[bfernando]

@bfernando has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

I'd like to work on this issue because it is a very focused React UI task with clear acceptance criteria and a named component, EventsContent.tsx.

My plan is to inspect the existing dashboard visual style, add an empty-state message plus a simple call-to-action for the zero-events case, and keep the populated event-list rendering unchanged.

Relevant experience: React/TypeScript UI fixes, careful scoped component work, and AI-assisted debugging with manual review. I will link the PR back to this issue for Wave tracking and include the focused validation I ran.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @bfernando to this issue.

[nonggde]

Submitted PR: #79

[Martins-594]

@Martins-594 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

I've reviewed the requirements in detail and can fix this issue with an implementation that matches the acceptance criteria.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Martins-594 to this issue.

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This issue has been completed by @presidojay1 as part of the Stellar Wave Program's 7th Wave 🥳

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