Update game.html

game.html

@@ -13,6 +13,11 @@
 <body>
 <canvas id="game" width="800" height="600"></canvas>
 <script>
+  if (
+    localStorage.getItem("loggedIn") !== "true"
+) {
+    window.location.href = "index.html";
+}
 const canvas = document.getElementById('game');
 const ctx = canvas.getContext('2d');