Update features for notifications plugin

Author: lisajulia

plugins/index.md

@@ -313,7 +313,7 @@ Available for:
 ## Notifications
 
 
-The Notifications plugin provides support for publishing business notifications in SAP Build Work Zone. Notification types are defined by annotating CDS events, which the plugin then intercepts and forwards automatically:
+The Notifications plugin provides support for sending emails and publishing business notifications in SAP Build Work Zone. Define notification types declaratively via `@notification` CDS annotations or JSON config — the plugin intercepts annotated events and forwards them automatically:
 
 ```cds
 @notification: {
@@ -382,17 +382,18 @@ service IncidentService {
 Features:
 
 - CAP service-based API — simple, backend-agnostic
-- Notification types defined via CDS @notification annotations
-- Notification types defined via JSON (Node.js only)
+- Notification types defined via CDS `@notification` annotations — `cds build` compiles them to `notification-types.json`
+- Notification types defined via JSON config
 - Auto-emit: annotated CDS events are forwarded to ANS automatically
-- Email delivery via configurable delivery channels
+- **Email delivery** via `@notification.email.subject` and `@notification.email.html` annotations with Mustache syntax
 - Email HTML templates for rich email notifications
-- Batch notifications — emit multiple notifications in a single call
-- i18n support and dynamic priority for notification types
+- **Batch notifications** — send multiple notifications in a single outbox event
+- **i18n support** via `{i18n>key}` syntax in annotations
+- **Dynamic priority** via `@notification.priority` with runtime expressions
 - Console logging in development — no external service needed
 - Transactional outbox — maximized scalability and resilience
 - Automatic registration and lifecycle management of notification types on startup
-
+- Optional database storage for sent notifications with cooldown to prevent duplicate delivery (Java)
 
 Available for: