Add k8s healthchecks into navigation

Signed-off-by: Nigel Jones <[email protected]>

Author: planetf1

site/docs/guides/admin/healthchecks.md renamed to site/docs/guides/operations/kubernetes/healthchecks.md

@@ -10,6 +10,7 @@ Kubernetes offers one standard way of deploying the Egeria platform into a varie
 - [Egeria charts](charts/overview)
 - [Container images](container-images.md)
 - [Developing a custom deployment](custom-deployment.md)
+- [Health Checks](healthchecks.md)
 - [Egeria Operator](operator.md)
 
 ---8<-- "snippets/abbr.md"

site/docs/guides/operations/kubernetes/index.md

@@ -159,6 +159,7 @@ nav:
                   - PTS Chart: guides/operations/kubernetes/charts/pts.md
               - Container Images: guides/operations/kubernetes/container-images.md
               - Custom Deployment: guides/operations/kubernetes/custom-deployment.md
+              - Healthchecks: guides/operations/kubernetes/healthchecks.md
               - Egeria Operator: guides/operations/kubernetes/operator.md
       - Diagnostic Guide:
           - Diagnostic Process: guides/diagnostic/overview.md