fix: login/registo funcional — signIn NextAuth, SessionProvider, NEXTAUTH_SECRET real, error handling

app/layout.tsx

@@ -1,6 +1,7 @@
 import type { Metadata } from 'next';
 import { Playfair_Display, Lora, Fragment_Mono } from 'next/font/google';
 import Script from 'next/script';
+import Providers from './providers';
 import './globals.css';
 
 const playfair = Playfair_Display({
@@ -73,7 +74,7 @@ export default function RootLayout({
           fontFamily: 'var(--font-lora, var(--font-body, Lora, Georgia, serif))',
         }}
       >
-        {children}
+        <Providers>{children}</Providers>
       </body>
     </html>
   );