Вынес превью на отдельную страницу

src/router/index.js

@@ -0,0 +1,20 @@
+import { createRouter, createWebHashHistory } from 'vue-router'
+import PlannerView from '@/views/PlannerView.vue'
+
+const router = createRouter({
+    history: createWebHashHistory(),
+    routes: [
+        {
+            path: '/',
+            name: 'planner',
+            component: PlannerView,
+        },
+        {
+            path: '/preview',
+            name: 'preview',
+            component: () => import('@/views/PreviewView.vue'),
+        },
+    ],
+})
+
+export default router