feat: update login flow

app/auth/page.tsx

@@ -1,8 +1,28 @@
+"use client"
+
 import Login from "@/components/form/login";
 import QudoLogin from "@/components/form/qudo-login";
-import React from "react";
+import Cookies from "js-cookie";
+import React, { useEffect, useState } from "react";
 
 export default function AuthPage() {
-  // return <Login />;
-  return <QudoLogin />;
+
+  const isAuthenticated = Cookies.get("is_authenticated") || "false";
+
+  console.log("isAuthenticated : ", isAuthenticated);
+  
+  const [hasMounted, setHasMounted] = useState(false);
+
+  useEffect(() => {
+    setHasMounted(true);
+  }, []);
+
+  // Render
+  if (!hasMounted) return null;
+
+  return (
+    isAuthenticated == "true" ?
+    <Login /> : 
+    <QudoLogin />
+  );
 }