Update index.ts (#2640)

* Update index.ts

update announcement banner content

* nit formatting

* update format

* remove unnecessary ts file

---------

Co-authored-by: Karim <[email protected]>

Author: gfletcher-cll

src/features/notifications/data/index.ts

@@ -1,8 +1,9 @@
 import { BannerContent } from "../components/HeaderBanner.tsx"
 
 export const NotificationData: BannerContent = {
-  description: "Finance is on at SmartCon in NYC.",
+  description: "Chainlink Rewards: Genesis Starts With SXT.",
   type: "info",
-  linkText: "Get notified when tickets go live.",
-  linkUrl: "https://smartcon.chain.link?utm_source=docs",
+  linkText: "Learn how to build with SXT.",
+  linkUrl:
+    "https://go.chain.link/masterclasses/build-with-space-and-time?utm_medium=referral&utm_source=chainlink-docs&utm_campaign=sxt-linklab",
 }