Implement Stellar Provider Discovery API

[mijinummi]

🧠 Concept

Expose provider discovery functionality through APIs.

⚠️ Problem

External applications cannot discover supported providers.

📁 Implementation Scope

• src/api/providers/stellar/

✅ Requirements

• List providers
• Return provider metadata
• Support filtering

🎯 Acceptance Criteria

• Discovery API implemented
• Provider metadata accessible

[codesailor4]

@codesailor4 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

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

ℹ️ Repo Maintainers: To accept this application, review their application or assign @codesailor4 to this issue.

[drips-wave]

Congratulations, @codesailor4! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @codesailor4: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊

[grantfox-oss]

🦊 GrantFox — @codesailor4 has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #490)
2. Your PR will be reviewed by the MDTechLabs maintainers

Good luck! Track your progress on GrantFox.

[grantfox-oss]

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

@codesailor4's PR #677 was approved and merged by @mijinummi.

🏆 @codesailor4: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (366 total points). Track your full progress on GrantFox.

👏 Great work, @codesailor4! Keep contributing to MDTechLabs.

[drips-wave]

This issue has been completed by @codesailor4 as part of the Stellar Wave Program's 6th Wave 🥳

😎 @codesailor4: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.