Fix TLS certificate error for Supabase pooler connection

Supabase's PgBouncer pooler uses a certificate not in Node's default
CA store, causing "self-signed certificate in certificate chain" errors
on Vercel. Configure pg.Pool with ssl.rejectUnauthorized: false.

Made-with: Cursor

src/lib/db.ts

@@ -10,6 +10,7 @@ function createPrismaClient() {
   const pool = new pg.Pool({
     connectionString: process.env.DATABASE_URL,
     max: 5,
+    ssl: { rejectUnauthorized: false },
   });
   const adapter = new PrismaPg(pool);
   return new PrismaClient({ adapter });