docs: add child page links to Deploy Aidbox index page

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: vladzholnerchuk

docs/deployment-and-maintenance/deploy-aidbox/README.md

@@ -4,6 +4,20 @@ description: Deploy Aidbox to Kubernetes, managed PostgreSQL, or with Helm chart
 
 # Deploy Aidbox
 
+## Deployment guides
+
+{% content-ref url="run-aidbox-in-kubernetes/README.md" %}
+[Run Aidbox on Kubernetes](run-aidbox-in-kubernetes/README.md)
+{% endcontent-ref %}
+
+{% content-ref url="run-aidbox-on-managed-postgresql.md" %}
+[Run Aidbox on managed PostgreSQL](run-aidbox-on-managed-postgresql.md)
+{% endcontent-ref %}
+
+{% content-ref url="how-to-inject-env-variables-into-init-bundle.md" %}
+[How to inject env variables into Init Bundle](how-to-inject-env-variables-into-init-bundle.md)
+{% endcontent-ref %}
+
 ## Cloud deployment tutorials
 
 {% content-ref url="../../tutorials/other-tutorials/how-to-run-aidbox-in-gcp-cloud-run.md" %}