docs - add example

website/docs/r/automation_runbook.html.markdown

@@ -42,6 +42,43 @@ resource "azurerm_automation_runbook" "example" {
 }
 ```
 
+## Example Usage - custom content
+
+```hcl
+resource "azurerm_resource_group" "example" {
+ name = "resourceGroup1"
+ location = "West Europe"
+}
+
+resource "azurerm_automation_account" "example" {
+  name                = "account1"
+  location            = "${azurerm_resource_group.example.location}"
+  resource_group_name = "${azurerm_resource_group.example.name}"
+  sku {
+    name = "Basic"
+  }
+}
+
+data "local_file" "example" {
+  filename = "${path.module}/example.ps1"
+}
+
+resource "azurerm_automation_runbook" "example" {
+  name                = "Get-AzureVMTutorial"
+  location            = "${azurerm_resource_group.example.location}"
+  resource_group_name = "${azurerm_resource_group.example.name}"
+  account_name        = "${azurerm_automation_account.example.name}"
+  log_verbose         = "true"
+  log_progress        = "true"
+  description         = "This is an example runbook"
+  runbook_type        = "PowerShell"
+  publish_content_link {
+    uri = "https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/101-automation-runbook-getvms/Runbooks/Get-AzureVMTutorial.ps1"
+  }
+  content             = "${data.local_file.example.content}"
+}
+```
+
 ## Argument Reference
 
 The following arguments are supported: