doc(types): add comment for dismissed_events_bucket

Co-authored-by: Lachezar Lechev <[email protected]>

src/types/events/dimissed_events_bucket.rs

@@ -8,6 +8,8 @@ use crate::types::profile::UID;
 #[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
 pub struct DismissedEventsBucket {
     pub uid: UID,
+    /// the key is the event (modal or notification) that has been dismissed
+    /// while the value is the time at which it was dismissed.
     pub items: HashMap<String, DateTime<Local>>,
 }