Adding troubleshooting links

Author: whhender

articles/purview/index.yml

@@ -206,11 +206,15 @@ landingContent:
 
 
    #Card
-  - title: Troubleshooting Microsoft Purview
+  - title: Troubleshoot Microsoft Purview
     linkLists:
     - linkListType: how-to-guide
       links:
-        - text: Troubleshooting Purview scans - SHIR 
+        - text: Troubleshoot source connections
+          url: troubleshoot-connections.md
+        - text: Troubleshoot Self Hosted Integration Runtime
           url: scanning-shir-troubleshooting.md
+        - text: Troubleshoot private endpoints
+          url: catalog-private-link-troubleshoot.md