migrate to webpack

postcss.config.js

@@ -1,7 +1,7 @@
-import tailwind from 'tailwindcss'
-import autoprefixer from 'autoprefixer'
-import tailwindConfig from './src/css/tailwind.config.js'
+const tailwind = require('tailwindcss')
+const autoprefixer = require('autoprefixer')
+const tailwindConfig = require('./src/tailwind.config.js')
 
-export default {
+module.exports = {
   plugins: [tailwind(tailwindConfig), autoprefixer],
 }