Add webpack config

webpack.config.js

@@ -0,0 +1,46 @@
+const path = require( 'path' );
+const defaultConfig = require( '@wordpress/scripts/config/webpack.config' );
+const fastGlob = require( 'fast-glob' );
+const WebpackBar = require( 'webpackbar' );
+const ReplaceInFileWebpackPlugin = require( 'replace-in-file-webpack-plugin' );
+
+const sharedConfig = {
+	...defaultConfig,
+	plugins: [
+		...defaultConfig.plugins,
+		new ReplaceInFileWebpackPlugin( [
+			{
+				dir: 'dist',
+				test: [ /\.js/ ],
+				rules: [
+					{
+						search: /TEXTDOMAIN/gi,
+						replace: 'wp-plugin-scaffold',
+					},
+				],
+			},
+		] ),
+	],
+};
+
+const scripts = {
+	...sharedConfig,
+	entry: {
+		'app': './assets/scripts/src/index.js',
+		'admin': './assets/scripts/src/admin.js',
+	},
+	output: {
+		path: path.resolve( process.cwd(), 'dist' ),
+		filename: '[name].js',
+		chunkFilename: '[name].js',
+	},
+	plugins: [
+		...sharedConfig.plugins,
+		new WebpackBar( {
+			name: 'Scripts',
+			color: '#5aec1c',
+		} ),
+	],
+};
+
+module.exports = [ scripts ];