fix(scripts): warn when spec template is missing in create-new-feature.ps1 (parity with bash)#3230

mnriem merged 2 commits into

github:maingithub/spec-kit:mainfrom

jawwad-ali:fix/ps-create-feature-spec-template-warningjawwad-ali/spec-kit:fix/ps-create-feature-spec-template-warningCopy head branch name to clipboard