feat(ADM-018): completed feature

work/artifacts/F-013/documenter.md

@@ -0,0 +1,21 @@
+# Documenter — F-013 Storefront shell (Next.js)
+
+## Documentation updated
+- Updated `project/README.md` with storefront commands:
+  - `cd storefront && npm install`
+  - `npm run dev`
+  - `npm run lint`
+  - `npm run typecheck`
+  - `npm run build`
+- Added `Storefront shell (Next.js)` section documenting:
+  - package location: `project/storefront/`
+  - Next.js App Router, React, TypeScript and Tailwind stack
+  - server-rendered home/layout/navigation
+  - typed public API client at `src/lib/api.ts`
+  - `server-only` API client boundary
+  - API base URL configuration
+  - explicit out-of-scope catalog pages/cart/checkout UI
+
+## Evidence
+- `cd project && npm run lint` — PASS after README update.
+- `./scripts/verify.sh` — PASS after README update.