Update docs readme

Author: pamelafox

docs/README.md

@@ -3,17 +3,20 @@
 Consult the main [README](../README.md) for general information about the project.
 These are advanced topics that are not necessary for a basic deployment.
 
-* [Deploying with the Azure Developer CLI](azd.md)
-  * [Deploying with existing Azure resources](deploy_existing.md)
-  * [Deploying from a free account](deploy_lowcost.md)
-  * [Enabling optional features](deploy_features.md)
-    * [Login and access control](login_and_acl.md)
-    * [GPT-4 Turbo with Vision](gpt4v.md)
-    * [Private endpoints](deploy_private.md)
-* [Debugging the app on App Service](appservice.md)
-* [Local development](localdev.md)
-* [App customization](customization.md)
-* [Private access](deploy_private.md)
-* [Data ingestion](data_ingestion.md)
-* [Productionizing](productionizing.md)
-* [Alternative RAG chat samples](other_samples.md)
+- Deploying:
+  - [Troubleshooting deployment](docs/deploy_troubleshooting.md)
+    - [Debugging the app on App Service](appservice.md)
+  - [Deploying with azd: deep dive and CI/CD](azd.md)
+  - [Deploying with existing Azure resources](deploy_existing.md)
+  - [Deploying from a free account](deploy_lowcost.md)
+  - [Enabling optional features](deploy_features.md)
+    - [Login and access control](login_and_acl.md)
+    - [GPT-4 Turbo with Vision](gpt4v.md)
+    - [Private endpoints](deploy_private.md)
+  - [Sharing deployment environments](sharing_environments.md)
+- [Local development](localdev.md)
+- [Customizing the app](customization.md)
+- [Data ingestion](data_ingestion.md)
+- [Monitoring with Application Insights](monitoring.md)
+- [Productionizing](productionizing.md)
+- [Alternative RAG chat samples](other_samples.md)