chore: migrate to PostgreSQL with Prisma

app/api/users/route.ts

@@ -9,7 +9,8 @@ export async function GET() {
     return NextResponse.json({ error: "Forbidden" }, { status: 403 });
   }
 
-  const users = getUsers().map(({ id, name, email, role, domains }) => ({
+  const allUsers = await getUsers();
+  const users = allUsers.map(({ id, name, email, role, domains }) => ({
     id,
     name,
     email,