feat: add admin login

frontend/admin/src/router/index.js

@@ -0,0 +1,33 @@
+import { useAuthStore } from '@/stores/authStore';
+import { createRouter, createWebHistory } from 'vue-router';
+
+// ...existing code...
+
+// Add login route
+const routes = [
+    {
+        path: '/login',
+        name: 'Login',
+        component: () => import('@/pages/LoginPage.vue'),
+        meta: { requiresAuth: false }
+    },
+    // ...existing routes...
+];
+
+// Add navigation guard
+const router = createRouter({
+    history: createWebHistory(),
+    routes,
+});
+
+router.beforeEach((to, from, next) => {
+    const authStore = useAuthStore();
+
+    if (to.meta.requiresAuth !== false && !authStore.isAuthenticated) {
+        next('/login');
+    } else {
+        next();
+    }
+});
+
+export default router;