Implement restricted-api for JS-driven auth calls, examples added (WIP!). Layout and styling simplified.

frontend/src/restricted-api/main.js

@@ -0,0 +1,5 @@
+import { createApp } from 'vue'
+import RestrictedApiApp from './RestrictedApiApp.vue'
+import '@/assets/style.css'
+
+createApp(RestrictedApiApp).mount('#app')