Make events repeat yearly for now

src/commands/schedule_csv.rs

@@ -87,6 +87,9 @@ fn to_event(date: NaiveDate, meal: Meal, recipe: &recipe::Recipe) -> (String, Ev
         &Local.from_local_datetime(&end_time).unwrap(),
     )));
 
+    // TODO make configurable yearly repetition, for now this suits my personal uses
+    event.push(calprop::RRule::new("FREQ=YEARLY"));
+
     let alarm = ics::Alarm::display(
         calprop::Trigger::new("-P15M"),
         calprop::Description::new(&recipe.name),