az-provider: add page (#8697)

pages/common/az-provider.md

@@ -0,0 +1,25 @@
+# az provider
+
+> Manage resource providers.
+> Part of `azure-cli`.
+> More information: <https://docs.microsoft.com/cli/azure/provider>.
+
+- Register a provider:
+
+`az provider register --namespace {{Microsoft.PolicyInsights}}`
+
+- Unregister a provider:
+
+`az provider unregister --namespace {{Microsoft.Automation}}`
+
+- List all providers for a subscription:
+
+`az provider list`
+
+- Show information about a specific provider:
+
+`az provider show --namespace {{Microsoft.Storage}}`
+
+- List all resource types for a specific provider:
+
+`az provider list --query "[?namespace=='{{Microsoft.Network}}'].resourceTypes[].resourceType"`