feat: update, replace, delete on user object, first draft

rear/src/admin/views.rs

@@ -41,7 +41,7 @@ pub struct AdminContext {
 impl Default for AdminContext {
     fn default() -> Self {
         AdminContext {
-            base: None,
+            base: None,                               // TODO: what is this used for?
             language_code: Some("en-us".to_string()), // Default language code
             language_bidi: Some(false),               // Default language bidi
             user: None, //UserType::default(),                // Assuming UserType has a Default impl
@@ -117,7 +117,7 @@ pub async fn list_item_collection<S: AdminState + Clone + Send + Sync + 'static>
         let repo = repo.lock().await;
         let admin_model = registry
             .get_model(&app_key, &model_key)
-            .expect("Admin Model not found?");
+            .expect("Admin Model not found?"); // we will need a proper error route; so something that implements IntoResponse and can be substituted in the unwraps and expects.
         AdminContext {
             base: base_template(&headers),
             available_apps: registry.get_apps(),