feat(portal): implement security settings page and register ConfirmationService

frontend/portal/src/main.js

@@ -3,6 +3,7 @@ import { createPinia } from 'pinia';
 import PrimeVue from 'primevue/config';
 import Aura from '@primevue/themes/aura';
 import ToastService from 'primevue/toastservice';
+import ConfirmationService from 'primevue/confirmationservice';
 import App from './App.vue';
 import router from './router';
 
@@ -14,6 +15,7 @@ const app = createApp(App);
 app.use(createPinia());
 app.use(router);
 app.use(ToastService);
+app.use(ConfirmationService);
 app.use(PrimeVue, {
     theme: {
         preset: Aura,