chore(readme): Add new sentry banner to readme (#13165)

Author: andreiborza

README.md

@@ -15,6 +15,10 @@ faster, so we can get back to enjoying technology. If you want to join us
 
 # Official Sentry SDKs for JavaScript
 
+<a href="https://docs.sentry.io/platforms/javascript/" target="_blank">
+  <img src="https://github.com/user-attachments/assets/aedc2b46-9959-4b9e-8a23-6240062cefc5" alt="Sentry for JavaScript">
+</a>
+
 This is the next line of Sentry JavaScript SDKs, comprised in the `@sentry/` namespace. It will provide a more
 convenient interface and improved consistency between various JavaScript environments.