add webpack snippet

JavaScript/README.md

@@ -1,4 +1,36 @@
-Pixel-Art
+## Pixel-Art
 ```css
 canvas { image-rendering: crisp-edges; image-rendering: pixelated; }
 ```
+
+## WebPack
+`packages.json`
+```json
+"scripts": {
+	"start": "webpack serve",
+	"build": "webpack --mode=production"
+},
+"devDependencies": {
+	"webpack": "^5.42.0",
+	"webpack-cli": "^4.7.2",
+	"webpack-dev-server": "^3.11.2"
+}
+```
+`webpack.config.js`
+```javascript
+const path = require('path');
+
+module.exports = {
+	mode: 'development',
+	entry: './js/index.js',
+	output: {
+		path: path.resolve(__dirname, 'app'),
+		filename: 'engine.js',
+	},
+	devServer: {
+		contentBase: path.join(__dirname, 'app'),
+		compress: false,
+		port: 55555,
+	},
+};
+```