refactor(lst): added side bar plus dummy menus

frontend/src/routes/_auth.tsx

@@ -2,8 +2,9 @@ import {createFileRoute, redirect} from "@tanstack/react-router";
 
 // src/routes/_authenticated.tsx
 export const Route = createFileRoute("/_auth")({
-    beforeLoad: async ({context}) => {
-        if (!context.sessionType.session) {
+    beforeLoad: async () => {
+        const auth = localStorage.getItem("auth_token");
+        if (!auth) {
             throw redirect({
                 to: "/",
             });