* Update subscription configuration schema to include new parameters
* Support platform specific arm template parameters and legacy hashtable format
* Update arm template parameter comment to include top level key
* Restore AdditionalParameters. Merge ArmTemplateParameters from stringified hash literal
* Handle duplicate keys more explicitly for arm and env vars
* Regenerate New-TestResources.ps1 markdown
* revert variable name to environmentVariables to fix post-scripts
* Handle empty arm template parameters better
* Remove arm template parameter merge logic from deploy template
* Add merge hashes function to New-TestResources.ps1
* Add merge hashes function to New-TestResources.ps1
* Add env variable overwrite warning. Use ContainsKey checks
* Temporarily manually fix invalid generated markdown links
Co-authored-by: Ben Broderick Phillips <bebroder@microsoft.com>
