Converting all PowerShell examples from the AzureRM to Az module (#306)

Author: DCtheGeek

README.md

@@ -23,7 +23,7 @@ This repository contains samples of Azure Policies that can be used as reference
 
 - [Azure CLI](https://docs.microsoft.com/cli/azure/policy)
 - Azure PowerShell
-  - [Policy](https://docs.microsoft.com/powershell/module/azurerm.resources/#policies)
+  - [Policy](https://docs.microsoft.com/powershell/module/az.resources/#policies)
   - [Guest Configuration (preview)](https://www.powershellgallery.com/packages/AzureRM.GuestConfiguration)
 - REST API
   - [Events](https://docs.microsoft.com/rest/api/policy-insights/policyevents)

readme.generate.md

@@ -9,9 +9,9 @@
 ## Try on PowerShell
 
 ````powershell
-$definition = New-AzureRmPolicyDefinition -Name "{{policyName}}" -DisplayName "{{displayName}}" -description "{{description}}" -Policy 'https://raw.githubusercontent.com/Azure/azure-policy-samples/master/samples/{{path}}/azurepolicy.rules.json' -Parameter 'https://raw.githubusercontent.com/Azure/azure-policy-samples/master/samples/{{path}}/azurepolicy.parameters.json' -Mode All
+$definition = New-AzPolicyDefinition -Name "{{policyName}}" -DisplayName "{{displayName}}" -description "{{description}}" -Policy 'https://raw.githubusercontent.com/Azure/azure-policy-samples/master/samples/{{path}}/azurepolicy.rules.json' -Parameter 'https://raw.githubusercontent.com/Azure/azure-policy-samples/master/samples/{{path}}/azurepolicy.parameters.json' -Mode All
 $definition
-$assignment = New-AzureRMPolicyAssignment -Name <assignmentname> -Scope <scope> -PolicyDefinition $definition
+$assignment = New-AzPolicyAssignment -Name <assignmentname> -Scope <scope> -PolicyDefinition $definition
 $assignment 
 ````