Add MIT LICENSE file

[Muhammadcodes112]

Summary

Related Issue

Closes #

Layer Touched

This PR modifies exactly one layer (per the single-layer-per-PR convention in AGENTS.md):

• astre_frontend — Next.js frontend
• astre_server — NestJS backend API
• astre_contract — Soroban smart contract (Rust)
• Other (docs, CI, repo config — no source layer changed)

If your changes span more than one source layer, stop and split this PR.

Checklist

All PRs

• The branch is up to date with main
• No .env files, secrets, or API keys are included
• No auto-generated files (node_modules/, target/, .next/, dist/) are committed

Frontend (astre_frontend/) — if applicable

• npm run build passes locally (run from astre_frontend/)
• No TypeScript errors (npx tsc --noEmit)
• No MOCK_ constants left in app/ or src/store/
• New or updated tests added where appropriate

Backend (astre_server/) — if applicable

• npm run build passes locally (run from astre_server/)
• No TypeScript errors
• New endpoints follow RESTful conventions

Contract (astre_contract/) — if applicable

• cargo build --release --target wasm32-unknown-unknown passes
• cargo test --lib passes — all tests green
• No unsafe code introduced without justification

Testing Notes

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Project	Deployment	Actions	Updated (UTC)
astre	Ready	Preview	Aug 17, 2026 6:22am