add reference article for azure policy definitions

Author: cebundy

articles/azure-web-pubsub/policy-definitions.md

@@ -0,0 +1,30 @@
+---
+title: Built-in policy definitions for Azure Web PubSub
+description: Lists Azure Policy built-in policy definitions for Azure Web PubSub. These built-in policy definitions provide common approaches to managing your Azure resources.
+author: cebundy
+ms.author: v-bcatherine
+ms.date: 01/03/2022
+ms.topic: reference
+ms.service: web-pubsub
+ms.custom: subject-policy-reference
+---
+# Azure Policy built-in definitions for Azure Container Apps
+
+This page is an index of [Azure Policy](../governance/policy/overview.md) built-in policy
+definitions for Azure Web PubSub. For additional Azure Policy built-ins for other services, see
+[Azure Policy built-in definitions](../governance/policy/samples/built-in-policies.md).
+
+The name of each built-in policy definition links to the policy definition in the Azure portal. Use
+the link in the **Version** column to view the source on the
+[Azure Policy GitHub repo](https://github.com/Azure/azure-policy).
+
+## Policy definitions
+
+
+[!INCLUDE [azure-policy-reference-policies-web-pubsub](../../includes/policy/reference/bycat/policies-web-pubsub.md)]
+
+## Next steps
+
+- See the built-ins on the [Azure Policy GitHub repo](https://github.com/Azure/azure-policy).
+- Review the [Azure Policy definition structure](../governance/policy/concepts/definition-structure.md).
+- Review [Understanding policy effects](../governance/policy/concepts/effects.md).

articles/azure-web-pubsub/toc.yml

@@ -1,6 +1,5 @@
 - name: Azure Web PubSub service documentation
   href: index.yml
-
 - name: Overview
   expanded: true
   items:
@@ -114,7 +113,6 @@
       items:
         - name: Autoscale
           href: howto-scale-autoscale.md
-
 - name: Concepts
   expanded: true
   items:
@@ -136,7 +134,6 @@
       href: concept-azure-ad-authorization.md
     - name: Metrics
       href: concept-metrics.md
-
 - name: Reference
   items:
     - name: WebSocket subprotocols
@@ -156,6 +153,8 @@
       href: reference-cloud-events-amqp.md
     - name: Functions trigger and bindings
       href: reference-functions-bindings.md
+    - name: Azure policy definitions
+      href: policy-definitions.md
     - name: Data plane REST API and SDKs
       items:
         - name: REST API