refactor(template): convert the default template from CMJs to esm#4709

ThierryRakotomanana wants to merge 2 commits intowebpack:mainwebpack/webpack-cli:mainfrom

ThierryRakotomanana:refactor/default-config-to-esmThierryRakotomanana/webpack-cli:refactor/default-config-to-esmCopy head branch name to clipboard