Add multi-region deployment and failover strategy

[RUKAYAT-CODER]

Multi-region deployment for high availability.

Acceptance Criteria:

• Multiple deployment regions configured
• Failover automation
• Data replication strategy
• Testing and runbooks

[Nworah-Gabriel]

@Nworah-Gabriel has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I would like to work on this issue with the experience I have gotten from my contributions to different projects in the previous wave.

ETA is 2 hours

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

[drips-wave]

Congratulations, @Nworah-Gabriel! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Nworah-Gabriel: 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.

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🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @Nworah-Gabriel as part of the Stellar Wave Program's 5th Wave 🥳

😎 @Nworah-Gabriel: 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.