feat: initial commit — backend API + student cabinet frontend

- Go backend: auth (JWT), points earn/spend, QR token generation,
  partners, admin grant/stats endpoints with chi router
- Next.js 14 frontend: login, student dashboard, transaction history,
  QR display, partners list
- PostgreSQL migrations (4 tables), Redis cache, Docker Compose
- CORS middleware, role-based route protection, Zustand auth store

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/components/PartnerCard.tsx

@@ -0,0 +1,18 @@
+import type { Partner } from '@/lib/types';
+import { Card } from '@/components/ui';
+
+interface PartnerCardProps {
+  partner: Partner;
+}
+
+export function PartnerCard({ partner }: PartnerCardProps) {
+  return (
+    <Card className="flex flex-col gap-1">
+      <p className="font-semibold text-white">{partner.name}</p>
+      <p className="text-sm text-gray-400">{partner.address}</p>
+      <p className="mt-2 inline-flex items-center self-start rounded-full bg-blue-900/40 px-2.5 py-0.5 text-xs font-medium text-blue-300">
+        До {partner.max_spend_pct}% поинтами
+      </p>
+    </Card>
+  );
+}