Add further reading blogs (#31780)

* Add further reading blogs

* Apply suggestions from code review

Author: estherk15

content/en/error_tracking/_index.md

@@ -5,6 +5,9 @@ further_reading:
 - link: 'https://www.datadoghq.com/blog/error-tracking-and-github/'
   tag: 'Blog'
   text: 'Troubleshoot root causes with GitHub commit and ownership data in Error Tracking'
+- link: 'https://www.datadoghq.com/blog/go-error-handling/'
+  tag: 'Blog'
+  text: 'A practical guide to error handling in Go'
 ---
 
 ## Overview

content/en/synthetics/guide/kerberos-authentication.md

@@ -5,6 +5,9 @@ further_reading:
   - link: 'https://www.datadoghq.com/blog/synthetic-private-location-monitoring-datadog'
     tag: 'Blog'
     text: 'Monitor your Synthetic private locations with Datadog'
+  - link: 'https://www.datadoghq.com/blog/kerberos-synthetics/'
+    tag: 'Blog'
+    text: 'Proactively monitor Kerberos-authenticated web apps and APIs with Datadog Synthetics'
   - link: '/synthetics/guide/browser-tests-passkeys'
     tag: 'Guide'
     text: 'Learn about Passkeys in Browser Tests'