* Set package as being a ES module package
* Set `engines` key to node versions that support ES modules
* Rename postcss config to a CommonJS extension
* Use import and export statements
* Import the default globby export
* Set stylelint config files as CommonJS files
* Convert prettier config to a CommonJS module
* Set a root ESLint config folder
* silence non-error output for dist
* export esm for stats modules
* Convert bundle size report
* Create strong-lemons-ring.md
Co-authored-by: Jon Rohan <yes@jonrohan.codes>
BREAKING CHANGE: the build directory is no longer included in the
distributed package. build/stats.json can be found at
dist/stats/primer.json, and `require('@primer/css/build')` references
should be rewritten to `require('@primer/css/dist/primer')`.