refactor!: serve the static frontend trough the backend (#520)

Co-authored-by: Alessandro (Ale) Segala <43508+ItalyPaleAle@users.noreply.github.com>

frontend/src/routes/settings/admin/user-groups/[id]/+page.ts

@@ -0,0 +1,9 @@
+import UserGroupService from '$lib/services/user-group-service';
+import type { PageLoad } from './$types';
+
+export const load: PageLoad = async ({ params }) => {
+	const userGroupService = new UserGroupService();
+	const userGroup = await userGroupService.get(params.id);
+
+	return { userGroup };
+};