chore: clean up code formatting and remove unnecessary whitespace across multiple files for improved readability

src/app/api/auth/[...nextauth]/route.ts

@@ -1,4 +1,3 @@
 import { handlers } from '@/lib/auth';
 
 export const { GET, POST } = handlers;
-

src/app/api/auth/register/route.ts

@@ -22,4 +22,3 @@ export async function POST(request: Request) {
     return NextResponse.json({ error: 'Erreur lors de la création du compte' }, { status: 500 });
   }
 }
-