resources.md in fog-azure-rm-0.2.0

- old
+ new

@@ -14,16 +14,24 @@
 
 Next, create a connection to the Resources Service:
 
 ```ruby
     azure_resources_service = Fog::Resources::AzureRM.new(
-        tenant_id:       '<Tenantid>',           # Tenant id of Azure Active Directory Application
-        client_id:       '<Clientid>',           # Client id of Azure Active Directory Application
-        client_secret:   '<ClientSecret>',       # Client Secret of Azure Active Directory Application
-        subscription_id: '<Subscriptionid>'      # Subscription id of an Azure Account
+        tenant_id:       '<Tenantid>',                                                    # Tenant id of Azure Active Directory Application
+        client_id:       '<Clientid>',                                                    # Client id of Azure Active Directory Application
+        client_secret:   '<ClientSecret>',                                                # Client Secret of Azure Active Directory Application
+        subscription_id: '<Subscriptionid>',                                              # Subscription id of an Azure Account
+        :environment => '<AzureCloud/AzureChinaCloud/AzureUSGovernment/AzureGermanCloud>' # Azure cloud environment. Default is AzureCloud.
 )
 ```
+
+## Check Resource Group Existence
+
+```ruby
+ azure_resources_service.resource_groups.check_resource_group_exists(<Resource Group name>)
+```
+
 ## Create Resource Group
 
 Create a new resource group
 
 ```ruby
@@ -106,9 +114,21 @@
     azure_resources_service.delete_resource_tag(
         '<Resource-ID>',
         '<Tag-Key>',
         '<Tag-Value>'
         )
+```
+
+## Check Resource Existence
+
+```ruby
+ azure_resources_service.azure_resources.check_azure_resource_exists(<Resource-ID>, <API-Version>)
+```
+
+## Check Deployment Existence
+
+```ruby
+ azure_resources_service.deployments.check_deployment_exists(<Resource Group Name>, <Deployment name>)
 ```
 
 ## Create Deployment
 
 Create a Deployment