Implement Soroban Bridge Analytics API

[mijinummi]

🧠 Concept

Provide programmatic access to bridge analytics.

⚠️ Problem

Analytics data cannot be consumed externally.

📁 Implementation Scope

• src/api/analytics/stellar/

✅ Requirements

• Expose analytics endpoints
• Support filtering
• Return aggregated metrics

🎯 Acceptance Criteria

• Analytics API implemented
• Analytics data accessible

[SharifIbrahimDev]

Hi, I'd like to work on this issue.

I have experience building REST APIs and backend services. I can implement analytics endpoints, add filtering capabilities, and provide aggregated metrics in a clean and scalable way while following the project's architecture.

[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox as part of the Official Campaign campaign!

@SharifIbrahimDev's PR #566 was approved and merged by @mijinummi.

🏆 @SharifIbrahimDev: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (118 total points). Track your full progress on GrantFox.

👏 Great work, @SharifIbrahimDev! Keep contributing to MDTechLabs.