chore: apps webpack config

apps/ui/webpack.custom.config.js

@@ -0,0 +1,18 @@
+const webpack = require('webpack');
+const CopyWebpackPlugin = require('copy-webpack-plugin');
+
+const webpackConfig = require('./webpack.config');
+
+module.exports = (env) => {
+	env = env || {};
+	const baseConfig = webpackConfig(env);
+
+	baseConfig.plugins.push(new webpack.DefinePlugin({
+		__CI__: !!process.env.CI,
+		__UI_USE_XML_PARSER__: true,
+		__UI_USE_EXTERNAL_RENDERER__: false,
+		__CSS_PARSER__: JSON.stringify('css-tree')
+	}))
+
+	return baseConfig;
+};