Add initial admin page with update feature

src/router/index.js

@@ -31,6 +31,11 @@ const routes = [
     // this generates a separate chunk (about.[hash].js) for this route
     // which is lazy-loaded when the route is visited.
     component: () => import(/* webpackChunkName: "about" */ '../views/Signup.vue')
+  },
+  {
+    path: '/admin',
+    name: 'Admin',
+    component: () => import(/* webpackChunkName: "about" */ '../views/AdminPage.vue')
   }
 ]