feat: Add Traefik Integration with dedicated widget and Add optional Icons for Gotify/Notifcation Widget (ONLY GOTIFY) (#6206)

Co-authored-by: Thomas <thomas@ajnart.fr>

packages/integrations/src/interfaces/notifications/notification-types.ts

@@ -3,4 +3,9 @@ export interface Notification {
   time: Date;
   title: string;
   body: string;
+  href?: string;
+  source?: {
+    name: string;
+    iconUrl?: string;
+  };
 }