craete log if user creates a new event

src/tera/admin/event.rs

@@ -26,7 +26,7 @@ struct AddEventForm<'r> {
 async fn create(
     db: &State<SqlitePool>,
     data: Form<AddEventForm<'_>>,
-    _admin: EventUser,
+    user: EventUser,
 ) -> Flash<Redirect> {
     let data = data.into_inner();
 
@@ -37,6 +37,7 @@ async fn create(
 
     Event::create(
         db,
+        &user,
         data.name,
         data.planned_amount_cox,
         data.always_show,