Implement Stellar Route Performance Index

[mijinummi]

🧠 Concept

Create a performance index for Stellar bridge routes.

⚠️ Problem

Users cannot easily compare overall route quality.

📁 Implementation Scope

• src/indexes/routes/stellar/

✅ Requirements

• Aggregate latency metrics
• Aggregate success metrics
• Generate route index scores

🎯 Acceptance Criteria

• Performance index implemented
• Route scores generated

[anumukul]

Hi, I’d like to take this issue and can deliver a fix within 24 hours.
I’ve worked on similar projects before and have relevant experience, so I should be able to handle this efficiently.