adds hugo starter tailwind theme

themes/hugo-starter-tailwind-basic/postcss.config.js

@@ -0,0 +1,8 @@
+let tailwindConfig = process.env.HUGO_FILE_TAILWIND_CONFIG_JS || './tailwind.config.js';
+const tailwind = require('tailwindcss')(tailwindConfig);
+const autoprefixer = require('autoprefixer');
+
+module.exports = {
+	// eslint-disable-next-line no-process-env
+	plugins: [tailwind, ...(process.env.HUGO_ENVIRONMENT === 'production' ? [autoprefixer] : [])],
+};