Add createdBy parameter to main.bicep

Author: NirajC-Microsoft

Deployment/main.bicep

@@ -24,7 +24,7 @@ var resourceGroupLocation = resourceGroup().location
 var abbrs = loadJsonContent('./abbreviations.json')
 
 @description('Optional created by user name')
-param createdBy string //= empty(deployer().userPrincipalName) ? '' : split(deployer().userPrincipalName, '@')[0]
+param createdBy string
 
 resource resourceGroupTags 'Microsoft.Resources/tags@2021-04-01' = {
   name: 'default'