feat(sprint-5.5): add NestJS API, BlockMetaBar, block components + fix Vercel build

- Add vercel.json to build only apps/web (fix Vercel build failure)
- NestJS API: BlocksModule, BlocksController, BlocksService with Prisma 7
- PostgreSQL migration: Block model (path, version, isInPreview)
- BlockMetaBar component: inline version edit, API fetch with offline fallback
- New block components: CeoBlock, ContactFormsBlock, FooterBlock, NewsBlock, ReviewsBlock
- PreviewClient: fetch isInPreview from API, block visibility toggle
- Pages updated: hero, doctors, ceo, contact-forms, contact, news, reviews
- docker-compose: PostgreSQL on port 5434

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

apps/web/components/blocks/NewsBlock.tsx

@@ -0,0 +1,63 @@
+const MOCK_NEWS = [
+  {
+    date: "20.12.2025",
+    title: "Наша работа клиники и новогодние праздники",
+    href: "#",
+  },
+  {
+    date: "11.08.2025",
+    title: "СЕРВИС ОБНОВЛЕНИЕ: Обновление графика работы клиники",
+    href: "#",
+  },
+  {
+    date: "12.06.2025",
+    title: "СЕРВИС ОБНОВЛЕНИЕ: Временное изменение работы клиники 22.06.25 г.",
+    href: "#",
+  },
+  {
+    date: "11.06.2025",
+    title: "График работы клиники в ближайшие праздники",
+    href: "#",
+  },
+];
+
+export function NewsBlock() {
+  return (
+    <div
+      className="rounded-xl p-8 space-y-6"
+      style={{ background: "#fff", border: "1px solid var(--bb-border)" }}
+    >
+      <h2 className="text-xl font-bold" style={{ color: "#111827" }}>
+        Новости
+      </h2>
+      <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+        {MOCK_NEWS.map((n) => (
+          <div
+            key={n.date}
+            className="bb-news-card rounded-lg p-3 cursor-pointer"
+            style={{
+              border: "1px solid var(--bb-border)",
+              transition: "background 0.15s, box-shadow 0.15s",
+            }}
+          >
+            <p className="text-xs mb-2" style={{ color: "#6b7280" }}>
+              {n.date}
+            </p>
+            <a
+              href={n.href}
+              className="text-sm font-medium leading-snug block"
+              style={{ color: "#0089c3", textDecoration: "none" }}
+            >
+              {n.title}
+            </a>
+          </div>
+        ))}
+      </div>
+      <div className="text-center">
+        <button className="bb-btn bb-btn-md bb-btn-outline">
+          Все новости
+        </button>
+      </div>
+    </div>
+  );
+}