New Brownfield Scenario: Custom Image Template Prerequisites (#666)

* Added brownfield scenario, Fixed linter errors

* Added files

* Updated requirements, Fixed URLs

* Compiled bicep changes

* Moved JSON file to ARM dir

* Added default value to param

* Added default value to param

* Fixed a null index by adding a condition

* Updated API versions

* Added required fixes based on the contributors guide

* Updated deployment names based on the contributors guide

readme.md

@@ -48,11 +48,11 @@ The brownfield section contains templates to deploy additional features for Azur
 - [App Attach Tools VM](./workload/bicep/brownfield/appAttachToolsVM/Readme.md)
 - [Auto Increase Premium File Share Quota](./workload/bicep/brownfield/autoIncreasePremiumFileShareQuota/readme.md)
 - [AVD Session Host Replacer](https://github.com/Azure/AVDSessionHostReplacer)
+- [Custom Image Templates Prerequisites](./workload/bicep/brownfield/customImageTemplatesPrerequisites/readme.md)
 - [Migrate monitoring agent from MMA to AMA](./workload/scripts/Monitoring/readme.md)
 - [Scaling Tool](./workload/bicep/brownfield/scalingTool/readme.md)
 - [Start VM On Connect](./workload/bicep/brownfield/startVmOnConnect/readme.md)
 
-
 ### Monitoring workbooks
 
 - [Deep Insights Workbook](./workload/workbooks/deepInsightsWorkbook/readme.md)
@@ -63,12 +63,12 @@ The brownfield section contains templates to deploy additional features for Azur
 
 [Getting Started](/workload/docs/getting-started-custom-image-build.md) deploying a custom image based on the latest version of the Azure marketplace image to an Azure Compute Gallery. The following images are offered:
 
- - Windows 10 22H2 (Gen 2)
- - Windows 11 22H2 (Gen 2)
- - Windows 11 23H2 (Gen 2)
- - Windows 10 22H2 with O365 (Gen 2)
- - Windows 11 22H2 with O365 (Gen 2)
- - Windows 11 23H2 with O365 (Gen 2)
+- Windows 10 22H2 (Gen 2)
+- Windows 11 22H2 (Gen 2)
+- Windows 11 23H2 (Gen 2)
+- Windows 10 22H2 with O365 (Gen 2)
+- Windows 11 22H2 with O365 (Gen 2)
+- Windows 11 23H2 with O365 (Gen 2)
 
 You can also select to enable the Trusted Launch or Confidential VM security type feature on the Azure Compute Gallery image definition.