Add Architecture Decision Records (ADR)

[Abd-Standard]

Description

Introduce ADR documents to capture important technical decisions and the reasoning behind them.

Acceptance Criteria
ADR template is added.
Initial ADRs are created.
Documentation references ADRs.

[umarabubakarbio260-beep]

@umarabubakarbio260-beep has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

I’ve reviewed the issue and can handle it; please assign it to me.

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[graceuvala-collab]

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

Hi! I’m a full-stack developer with a strong blockchain background. I’d love to handle this issue and can deliver a clean, reliable solution. Kindly assign it to me.

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[drips-wave]

Congratulations, @graceuvala-collab! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

🧑‍💻 @graceuvala-collab: 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

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