feat: sessão #3 — lib (db/auth/email/validations), API routes, NextAuth v5, middleware, páginas account/shelters/shelter-dashboard, Prisma v7 fix

app/main/layout.tsx

@@ -0,0 +1,12 @@
+import Header from '@/components/layout/Header';
+import Footer from '@/components/layout/Footer';
+
+export default function MainLayout({ children }: { children: React.ReactNode }) {
+  return (
+    <>
+      <Header />
+      <main style={{ flex: 1, minHeight: '60vh' }}>{children}</main>
+      <Footer />
+    </>
+  );
+}