Rewrite README to match this frontend repository

[Abidoyesimze]

Summary

README describes contracts, backend, and framework versions that do not match this frontend workspace.

Affected files

• README.md

Tasks

• Update setup, scripts, architecture, and env vars to reflect the current repo.
• Remove or relocate outdated backend/monorepo assumptions.
• Link to audit-issues and cleanup-issues queues for contributors.

Acceptance criteria

• Scope is limited to the files listed (or agreed alternatives in the PR).
• Change is verifiable: tests, screenshots, or written QA steps in the PR.
• No behavior regressions in related user flows.
• No new duplicate abstractions without a one-line rationale in the PR.

Suggested labels

cleanup, docs, good first issue

Notes

Standalone cleanup issue from CLEANUP_ISSUES_2026-05.md. Complements the audit queue and product backlog.

[coderolisa]

Hello Maintainer,

I'd like to work on this issue. I've reviewed the requirements and can complete the implementation as specified.

Please assign it to me. Thank you!

[Aj-Kayvee]

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

I would love to work on this issue please

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

[icentedward76-sketch]

@icentedward76-sketch has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

i would like to work on this issue sir maintainer

ℹ️ Repo Maintainers: To accept this application, review their application or assign @icentedward76-sketch to this issue.

[drips-wave]

Congratulations, @icentedward76-sketch! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @icentedward76-sketch: 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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🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @icentedward76-sketch as part of the Stellar Wave Program's 6th Wave 🥳

😎 @icentedward76-sketch: 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.

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