fix(indices): items have title not text

Author: fabianrbz

app/_indices/gateway.yaml

@@ -257,10 +257,10 @@ sections:
           - gateway
         tags:
           - kong-manager
-  - title: API Gateway in {{site.konnect_short_name}}
+  - title: "API Gateway in {{site.konnect_short_name}}"
     items:
       - path: /gateway-manager/**/*
-      - text: Troubleshoot data plane nodes
+      - title: Troubleshoot data plane nodes
         description: Learn how to resolve some common issues with data plane nodes
         url: /gateway-manager/data-plane-reference/#troubleshoot-data-plane-nodes