refactor: Remove babel/register for instant production server startup (#1481)

* refactor: Remove babel/register for instant production server startup

* fix: Update procfile location

* fix: package.json must be copied, not linked for production build

* fix: Production file paths

* fix: Public assets path

* Remove unused scripts

webpack.config.js

@@ -9,7 +9,7 @@ require('dotenv').config({ silent: true });
 
 module.exports = {
   output: {
-    path: path.join(__dirname, 'dist'),
+    path: path.join(__dirname, 'build/app'),
     filename: '[name].[hash].js',
     publicPath: '/static/',
   },