change notification system to vue-toastification

frontend/plugins/toast.js

@@ -0,0 +1,9 @@
+import Toast from 'vue-toastification'
+
+export default defineNuxtPlugin(nuxtApp => nuxtApp.vueApp.use(Toast, {
+    transition: "Vue-Toastification__bounce",
+    maxToasts: 5,
+    closeOnClick: false,
+    newestOnTop: true,
+    showCloseButtonOnHover: true,
+}))