Fix Azure Account Setup link in README and add log analytics images for documentation

Author: Kingshuk-Microsoft

README.md

@@ -76,7 +76,7 @@ Follow the quick deploy steps on the deployment guide to deploy this solution
 
 ### Prerequisites and costs
 
-To deploy this solution accelerator, ensure you have access to an [Azure subscription](https://azure.microsoft.com/free/) with the necessary permissions to create **resource groups, resources, app registrations, and assign roles at the resource group level**. This should include Contributor role at the subscription level and  Role Based Access Control role on the subscription and/or resource group level. Follow the steps in [Azure Account Set Up](./docs/AzureAccountSetUp.md).
+To deploy this solution accelerator, ensure you have access to an [Azure subscription](https://azure.microsoft.com/free/) with the necessary permissions to create **resource groups, resources, app registrations, and assign roles at the resource group level**. This should include Contributor role at the subscription level and  Role Based Access Control role on the subscription and/or resource group level. Follow the steps in [Azure Account Set Up](./docs/AzureAccountSetup.md).
 
 *Note: Due to model availability within various data center regions, the following services have been hard-coded to specific regions:*